Home / 282,849.02-390,341.67-155,534.30

Finding the Fourth Proportional to 282,849.02, 390,341.67 and 155,534.30

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Solution

The fourth proportional to 282,849.02, 390,341.67 and 155,534.30 is: 214,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,849.02 : 390,341.67 = 155,534.30 : x
  2. Step 2: Convert to fraction form
    282,849.02/390,341.67 = 155,534.30/x
  3. Step 3: Cross multiply
    282,849.02x = 390,341.67 × 155,534.30
  4. Step 4: Simplify right side
    282,849.02x = 60,711,518,404.28
  5. Step 5: Solve for x
    x = 60,711,518,404.28/282,849.02
  6. Step 6: Final answer
    x = 214,642.85

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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.