Home / 282,610.02-390,002.13-155,293.14

Finding the Fourth Proportional to 282,610.02, 390,002.13 and 155,293.14

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Solution

The fourth proportional to 282,610.02, 390,002.13 and 155,293.14 is: 214,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,610.02 : 390,002.13 = 155,293.14 : x
  2. Step 2: Convert to fraction form
    282,610.02/390,002.13 = 155,293.14/x
  3. Step 3: Cross multiply
    282,610.02x = 390,002.13 × 155,293.14
  4. Step 4: Simplify right side
    282,610.02x = 60,564,655,374.39
  5. Step 5: Solve for x
    x = 60,564,655,374.39/282,610.02
  6. Step 6: Final answer
    x = 214,304.70

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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.