Home / 285,050.15-427,589.00-74,688.29

Finding the Fourth Proportional to 285,050.15, 427,589.00 and 74,688.29

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Solution

The fourth proportional to 285,050.15, 427,589.00 and 74,688.29 is: 112,036.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,050.15 : 427,589.00 = 74,688.29 : x
  2. Step 2: Convert to fraction form
    285,050.15/427,589.00 = 74,688.29/x
  3. Step 3: Cross multiply
    285,050.15x = 427,589.00 × 74,688.29
  4. Step 4: Simplify right side
    285,050.15x = 31,935,890,859.37
  5. Step 5: Solve for x
    x = 31,935,890,859.37/285,050.15
  6. Step 6: Final answer
    x = 112,036.04

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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.