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Finding the Fourth Proportional to 424,441.49, 585,812.48 and 243,274.87

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Solution

The fourth proportional to 424,441.49, 585,812.48 and 243,274.87 is: 335,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,441.49 : 585,812.48 = 243,274.87 : x
  2. Step 2: Convert to fraction form
    424,441.49/585,812.48 = 243,274.87/x
  3. Step 3: Cross multiply
    424,441.49x = 585,812.48 × 243,274.87
  4. Step 4: Simplify right side
    424,441.49x = 142,513,452,235.47
  5. Step 5: Solve for x
    x = 142,513,452,235.47/424,441.49
  6. Step 6: Final answer
    x = 335,767.01

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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.