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Finding the Fourth Proportional to 265,646.79, 366,592.85 and 144,788.18

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Solution

The fourth proportional to 265,646.79, 366,592.85 and 144,788.18 is: 199,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,646.79 : 366,592.85 = 144,788.18 : x
  2. Step 2: Convert to fraction form
    265,646.79/366,592.85 = 144,788.18/x
  3. Step 3: Cross multiply
    265,646.79x = 366,592.85 × 144,788.18
  4. Step 4: Simplify right side
    265,646.79x = 53,078,308,995.61
  5. Step 5: Solve for x
    x = 53,078,308,995.61/265,646.79
  6. Step 6: Final answer
    x = 199,807.83

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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.