Home / 288,533.17-432,832.56-99,007.75

Finding the Fourth Proportional to 288,533.17, 432,832.56 and 99,007.75

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Solution

The fourth proportional to 288,533.17, 432,832.56 and 99,007.75 is: 148,522.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,533.17 : 432,832.56 = 99,007.75 : x
  2. Step 2: Convert to fraction form
    288,533.17/432,832.56 = 99,007.75/x
  3. Step 3: Cross multiply
    288,533.17x = 432,832.56 × 99,007.75
  4. Step 4: Simplify right side
    288,533.17x = 42,853,777,892.34
  5. Step 5: Solve for x
    x = 42,853,777,892.34/288,533.17
  6. Step 6: Final answer
    x = 148,522.88

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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.