Home / 288,541.17-432,844.56-99,015.75

Finding the Fourth Proportional to 288,541.17, 432,844.56 and 99,015.75

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Solution

The fourth proportional to 288,541.17, 432,844.56 and 99,015.75 is: 148,534.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,541.17 : 432,844.56 = 99,015.75 : x
  2. Step 2: Convert to fraction form
    288,541.17/432,844.56 = 99,015.75/x
  3. Step 3: Cross multiply
    288,541.17x = 432,844.56 × 99,015.75
  4. Step 4: Simplify right side
    288,541.17x = 42,858,428,741.82
  5. Step 5: Solve for x
    x = 42,858,428,741.82/288,541.17
  6. Step 6: Final answer
    x = 148,534.88

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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.