Home / 331,657.90-497,389.65-154,122.10

Finding the Fourth Proportional to 331,657.90, 497,389.65 and 154,122.10

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Solution

The fourth proportional to 331,657.90, 497,389.65 and 154,122.10 is: 231,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,657.90 : 497,389.65 = 154,122.10 : x
  2. Step 2: Convert to fraction form
    331,657.90/497,389.65 = 154,122.10/x
  3. Step 3: Cross multiply
    331,657.90x = 497,389.65 × 154,122.10
  4. Step 4: Simplify right side
    331,657.90x = 76,658,737,376.27
  5. Step 5: Solve for x
    x = 76,658,737,376.27/331,657.90
  6. Step 6: Final answer
    x = 231,137.98

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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.