Home / 282,511.32-423,767.60-69,280.12

Finding the Fourth Proportional to 282,511.32, 423,767.60 and 69,280.12

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Solution

The fourth proportional to 282,511.32, 423,767.60 and 69,280.12 is: 103,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,511.32 : 423,767.60 = 69,280.12 : x
  2. Step 2: Convert to fraction form
    282,511.32/423,767.60 = 69,280.12/x
  3. Step 3: Cross multiply
    282,511.32x = 423,767.60 × 69,280.12
  4. Step 4: Simplify right side
    282,511.32x = 29,358,670,180.11
  5. Step 5: Solve for x
    x = 29,358,670,180.11/282,511.32
  6. Step 6: Final answer
    x = 103,920.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.