Home / 231,665.40-346,914.90-152,350.20

Finding the Fourth Proportional to 231,665.40, 346,914.90 and 152,350.20

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Solution

The fourth proportional to 231,665.40, 346,914.90 and 152,350.20 is: 228,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,665.40 : 346,914.90 = 152,350.20 : x
  2. Step 2: Convert to fraction form
    231,665.40/346,914.90 = 152,350.20/x
  3. Step 3: Cross multiply
    231,665.40x = 346,914.90 × 152,350.20
  4. Step 4: Simplify right side
    231,665.40x = 52,852,554,397.98
  5. Step 5: Solve for x
    x = 52,852,554,397.98/231,665.40
  6. Step 6: Final answer
    x = 228,141.77

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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.