Home / 459,233.72-689,164.06-159,711.32

Finding the Fourth Proportional to 459,233.72, 689,164.06 and 159,711.32

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Solution

The fourth proportional to 459,233.72, 689,164.06 and 159,711.32 is: 239,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,233.72 : 689,164.06 = 159,711.32 : x
  2. Step 2: Convert to fraction form
    459,233.72/689,164.06 = 159,711.32/x
  3. Step 3: Cross multiply
    459,233.72x = 689,164.06 × 159,711.32
  4. Step 4: Simplify right side
    459,233.72x = 110,067,301,719.16
  5. Step 5: Solve for x
    x = 110,067,301,719.16/459,233.72
  6. Step 6: Final answer
    x = 239,676.00

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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.