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Finding the Fourth Proportional to 288,576.24, 432,888.88 and 75,372.40

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Solution

The fourth proportional to 288,576.24, 432,888.88 and 75,372.40 is: 113,065.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,576.24 : 432,888.88 = 75,372.40 : x
  2. Step 2: Convert to fraction form
    288,576.24/432,888.88 = 75,372.40/x
  3. Step 3: Cross multiply
    288,576.24x = 432,888.88 × 75,372.40
  4. Step 4: Simplify right side
    288,576.24x = 32,627,873,818.91
  5. Step 5: Solve for x
    x = 32,627,873,818.91/288,576.24
  6. Step 6: Final answer
    x = 113,065.00

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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.