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Finding the Fourth Proportional to 288,100.58, 432,138.11 and 98,577.59

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Solution

The fourth proportional to 288,100.58, 432,138.11 and 98,577.59 is: 147,862.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,100.58 : 432,138.11 = 98,577.59 : x
  2. Step 2: Convert to fraction form
    288,100.58/432,138.11 = 98,577.59/x
  3. Step 3: Cross multiply
    288,100.58x = 432,138.11 × 98,577.59
  4. Step 4: Simplify right side
    288,100.58x = 42,599,130,777.38
  5. Step 5: Solve for x
    x = 42,599,130,777.38/288,100.58
  6. Step 6: Final answer
    x = 147,862.01

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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.