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Finding the Fourth Proportional to 536,465.84, 804,697.76 and 137,106.72

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Solution

The fourth proportional to 536,465.84, 804,697.76 and 137,106.72 is: 205,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,465.84 : 804,697.76 = 137,106.72 : x
  2. Step 2: Convert to fraction form
    536,465.84/804,697.76 = 137,106.72/x
  3. Step 3: Cross multiply
    536,465.84x = 804,697.76 × 137,106.72
  4. Step 4: Simplify right side
    536,465.84x = 110,329,470,464.95
  5. Step 5: Solve for x
    x = 110,329,470,464.95/536,465.84
  6. Step 6: Final answer
    x = 205,659.82

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.