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Finding the Fourth Proportional to 424,262.75, 585,492.53 and 230,681.48

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Solution

The fourth proportional to 424,262.75, 585,492.53 and 230,681.48 is: 318,345.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,262.75 : 585,492.53 = 230,681.48 : x
  2. Step 2: Convert to fraction form
    424,262.75/585,492.53 = 230,681.48/x
  3. Step 3: Cross multiply
    424,262.75x = 585,492.53 × 230,681.48
  4. Step 4: Simplify right side
    424,262.75x = 135,062,279,268.47
  5. Step 5: Solve for x
    x = 135,062,279,268.47/424,262.75
  6. Step 6: Final answer
    x = 318,345.84

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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.