Home / 288,232.32-432,141.36-136,345.20

Finding the Fourth Proportional to 288,232.32, 432,141.36 and 136,345.20

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Solution

The fourth proportional to 288,232.32, 432,141.36 and 136,345.20 is: 204,419.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,232.32 : 432,141.36 = 136,345.20 : x
  2. Step 2: Convert to fraction form
    288,232.32/432,141.36 = 136,345.20/x
  3. Step 3: Cross multiply
    288,232.32x = 432,141.36 × 136,345.20
  4. Step 4: Simplify right side
    288,232.32x = 58,920,400,157.47
  5. Step 5: Solve for x
    x = 58,920,400,157.47/288,232.32
  6. Step 6: Final answer
    x = 204,419.82

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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.