Home / 231,721.40-346,998.90-152,406.20

Finding the Fourth Proportional to 231,721.40, 346,998.90 and 152,406.20

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Solution

The fourth proportional to 231,721.40, 346,998.90 and 152,406.20 is: 228,225.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,721.40 : 346,998.90 = 152,406.20 : x
  2. Step 2: Convert to fraction form
    231,721.40/346,998.90 = 152,406.20/x
  3. Step 3: Cross multiply
    231,721.40x = 346,998.90 × 152,406.20
  4. Step 4: Simplify right side
    231,721.40x = 52,884,783,753.18
  5. Step 5: Solve for x
    x = 52,884,783,753.18/231,721.40
  6. Step 6: Final answer
    x = 228,225.72

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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.