Home / 288,256.11-432,649.98-146,201.10

Finding the Fourth Proportional to 288,256.11, 432,649.98 and 146,201.10

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Solution

The fourth proportional to 288,256.11, 432,649.98 and 146,201.10 is: 219,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,256.11 : 432,649.98 = 146,201.10 : x
  2. Step 2: Convert to fraction form
    288,256.11/432,649.98 = 146,201.10/x
  3. Step 3: Cross multiply
    288,256.11x = 432,649.98 × 146,201.10
  4. Step 4: Simplify right side
    288,256.11x = 63,253,902,990.98
  5. Step 5: Solve for x
    x = 63,253,902,990.98/288,256.11
  6. Step 6: Final answer
    x = 219,436.47

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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.