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Finding the Fourth Proportional to 540,599.70, 811,303.50 and 203,972.34

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Solution

The fourth proportional to 540,599.70, 811,303.50 and 203,972.34 is: 306,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,599.70 : 811,303.50 = 203,972.34 : x
  2. Step 2: Convert to fraction form
    540,599.70/811,303.50 = 203,972.34/x
  3. Step 3: Cross multiply
    540,599.70x = 811,303.50 × 203,972.34
  4. Step 4: Simplify right side
    540,599.70x = 165,483,473,345.19
  5. Step 5: Solve for x
    x = 165,483,473,345.19/540,599.70
  6. Step 6: Final answer
    x = 306,110.92

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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.