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Finding the Fourth Proportional to 370,005.17, 510,606.92 and 208,861.61

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Solution

The fourth proportional to 370,005.17, 510,606.92 and 208,861.61 is: 288,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,005.17 : 510,606.92 = 208,861.61 : x
  2. Step 2: Convert to fraction form
    370,005.17/510,606.92 = 208,861.61/x
  3. Step 3: Cross multiply
    370,005.17x = 510,606.92 × 208,861.61
  4. Step 4: Simplify right side
    370,005.17x = 106,646,181,357.46
  5. Step 5: Solve for x
    x = 106,646,181,357.46/370,005.17
  6. Step 6: Final answer
    x = 288,228.90

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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.