Home / 288,480.08-432,374.36-134,398.24

Finding the Fourth Proportional to 288,480.08, 432,374.36 and 134,398.24

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Solution

The fourth proportional to 288,480.08, 432,374.36 and 134,398.24 is: 201,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,480.08 : 432,374.36 = 134,398.24 : x
  2. Step 2: Convert to fraction form
    288,480.08/432,374.36 = 134,398.24/x
  3. Step 3: Cross multiply
    288,480.08x = 432,374.36 × 134,398.24
  4. Step 4: Simplify right side
    288,480.08x = 58,110,351,252.20
  5. Step 5: Solve for x
    x = 58,110,351,252.20/288,480.08
  6. Step 6: Final answer
    x = 201,436.27

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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.