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Finding the Fourth Proportional to 369,855.84, 510,405.22 and 208,712.82

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Solution

The fourth proportional to 369,855.84, 510,405.22 and 208,712.82 is: 288,026.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,855.84 : 510,405.22 = 208,712.82 : x
  2. Step 2: Convert to fraction form
    369,855.84/510,405.22 = 208,712.82/x
  3. Step 3: Cross multiply
    369,855.84x = 510,405.22 × 208,712.82
  4. Step 4: Simplify right side
    369,855.84x = 106,528,112,808.92
  5. Step 5: Solve for x
    x = 106,528,112,808.92/369,855.84
  6. Step 6: Final answer
    x = 288,026.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.