Home / 282,975.23-390,534.47-162,132.55

Finding the Fourth Proportional to 282,975.23, 390,534.47 and 162,132.55

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Solution

The fourth proportional to 282,975.23, 390,534.47 and 162,132.55 is: 223,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,975.23 : 390,534.47 = 162,132.55 : x
  2. Step 2: Convert to fraction form
    282,975.23/390,534.47 = 162,132.55/x
  3. Step 3: Cross multiply
    282,975.23x = 390,534.47 × 162,132.55
  4. Step 4: Simplify right side
    282,975.23x = 63,318,348,305.00
  5. Step 5: Solve for x
    x = 63,318,348,305.00/282,975.23
  6. Step 6: Final answer
    x = 223,759.33

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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.