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Finding the Fourth Proportional to 265,854.72, 366,864.96 and 151,117.44

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Solution

The fourth proportional to 265,854.72, 366,864.96 and 151,117.44 is: 208,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,854.72 : 366,864.96 = 151,117.44 : x
  2. Step 2: Convert to fraction form
    265,854.72/366,864.96 = 151,117.44/x
  3. Step 3: Cross multiply
    265,854.72x = 366,864.96 × 151,117.44
  4. Step 4: Simplify right side
    265,854.72x = 55,439,693,580.90
  5. Step 5: Solve for x
    x = 55,439,693,580.90/265,854.72
  6. Step 6: Final answer
    x = 208,533.79

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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.