Home / 240,271.50-331,599.11-138,301.23

Finding the Fourth Proportional to 240,271.50, 331,599.11 and 138,301.23

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Solution

The fourth proportional to 240,271.50, 331,599.11 and 138,301.23 is: 190,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,271.50 : 331,599.11 = 138,301.23 : x
  2. Step 2: Convert to fraction form
    240,271.50/331,599.11 = 138,301.23/x
  3. Step 3: Cross multiply
    240,271.50x = 331,599.11 × 138,301.23
  4. Step 4: Simplify right side
    240,271.50x = 45,860,564,088.40
  5. Step 5: Solve for x
    x = 45,860,564,088.40/240,271.50
  6. Step 6: Final answer
    x = 190,869.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.