Home / 235,280.10-352,790.55-77,427.30

Finding the Fourth Proportional to 235,280.10, 352,790.55 and 77,427.30

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Solution

The fourth proportional to 235,280.10, 352,790.55 and 77,427.30 is: 116,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,280.10 : 352,790.55 = 77,427.30 : x
  2. Step 2: Convert to fraction form
    235,280.10/352,790.55 = 77,427.30/x
  3. Step 3: Cross multiply
    235,280.10x = 352,790.55 × 77,427.30
  4. Step 4: Simplify right side
    235,280.10x = 27,315,619,752.02
  5. Step 5: Solve for x
    x = 27,315,619,752.02/235,280.10
  6. Step 6: Final answer
    x = 116,098.30

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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.