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Finding the Fourth Proportional to 307,127.04, 460,727.48 and 290,330.88

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Solution

The fourth proportional to 307,127.04, 460,727.48 and 290,330.88 is: 435,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,127.04 : 460,727.48 = 290,330.88 : x
  2. Step 2: Convert to fraction form
    307,127.04/460,727.48 = 290,330.88/x
  3. Step 3: Cross multiply
    307,127.04x = 460,727.48 × 290,330.88
  4. Step 4: Simplify right side
    307,127.04x = 133,763,414,708.58
  5. Step 5: Solve for x
    x = 133,763,414,708.58/307,127.04
  6. Step 6: Final answer
    x = 435,531.22

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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.