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Finding the Fourth Proportional to 424,649.81, 586,020.85 and 233,667.32

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Solution

The fourth proportional to 424,649.81, 586,020.85 and 233,667.32 is: 322,463.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,649.81 : 586,020.85 = 233,667.32 : x
  2. Step 2: Convert to fraction form
    424,649.81/586,020.85 = 233,667.32/x
  3. Step 3: Cross multiply
    424,649.81x = 586,020.85 × 233,667.32
  4. Step 4: Simplify right side
    424,649.81x = 136,933,917,969.35
  5. Step 5: Solve for x
    x = 136,933,917,969.35/424,649.81
  6. Step 6: Final answer
    x = 322,463.15

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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.