Home / 384,352.32-576,559.20-135,090.24

Finding the Fourth Proportional to 384,352.32, 576,559.20 and 135,090.24

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Solution

The fourth proportional to 384,352.32, 576,559.20 and 135,090.24 is: 202,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,352.32 : 576,559.20 = 135,090.24 : x
  2. Step 2: Convert to fraction form
    384,352.32/576,559.20 = 135,090.24/x
  3. Step 3: Cross multiply
    384,352.32x = 576,559.20 × 135,090.24
  4. Step 4: Simplify right side
    384,352.32x = 77,887,520,702.21
  5. Step 5: Solve for x
    x = 77,887,520,702.21/384,352.32
  6. Step 6: Final answer
    x = 202,646.16

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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.