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Finding the Fourth Proportional to 288,676.41, 432,903.92 and 99,101.45

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Solution

The fourth proportional to 288,676.41, 432,903.92 and 99,101.45 is: 148,614.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,676.41 : 432,903.92 = 99,101.45 : x
  2. Step 2: Convert to fraction form
    288,676.41/432,903.92 = 99,101.45/x
  3. Step 3: Cross multiply
    288,676.41x = 432,903.92 × 99,101.45
  4. Step 4: Simplify right side
    288,676.41x = 42,901,403,522.66
  5. Step 5: Solve for x
    x = 42,901,403,522.66/288,676.41
  6. Step 6: Final answer
    x = 148,614.16

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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.