Home / 450,932.64-676,411.38-135,389.58

Finding the Fourth Proportional to 450,932.64, 676,411.38 and 135,389.58

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Solution

The fourth proportional to 450,932.64, 676,411.38 and 135,389.58 is: 203,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,932.64 : 676,411.38 = 135,389.58 : x
  2. Step 2: Convert to fraction form
    450,932.64/676,411.38 = 135,389.58/x
  3. Step 3: Cross multiply
    450,932.64x = 676,411.38 × 135,389.58
  4. Step 4: Simplify right side
    450,932.64x = 91,579,052,645.42
  5. Step 5: Solve for x
    x = 91,579,052,645.42/450,932.64
  6. Step 6: Final answer
    x = 203,088.10

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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.