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Finding the Fourth Proportional to 424,598.02, 585,959.28 and 243,344.69

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Solution

The fourth proportional to 424,598.02, 585,959.28 and 243,344.69 is: 335,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,598.02 : 585,959.28 = 243,344.69 : x
  2. Step 2: Convert to fraction form
    424,598.02/585,959.28 = 243,344.69/x
  3. Step 3: Cross multiply
    424,598.02x = 585,959.28 × 243,344.69
  4. Step 4: Simplify right side
    424,598.02x = 142,590,079,068.05
  5. Step 5: Solve for x
    x = 142,590,079,068.05/424,598.02
  6. Step 6: Final answer
    x = 335,823.70

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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.