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Finding the Fourth Proportional to 510,645.94, 766,318.83 and 178,221.94

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Solution

The fourth proportional to 510,645.94, 766,318.83 and 178,221.94 is: 267,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,645.94 : 766,318.83 = 178,221.94 : x
  2. Step 2: Convert to fraction form
    510,645.94/766,318.83 = 178,221.94/x
  3. Step 3: Cross multiply
    510,645.94x = 766,318.83 × 178,221.94
  4. Step 4: Simplify right side
    510,645.94x = 136,574,828,541.13
  5. Step 5: Solve for x
    x = 136,574,828,541.13/510,645.94
  6. Step 6: Final answer
    x = 267,455.04

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1.5x scale

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.