Home / 251,704.40-377,615.04-83,214.56

Finding the Fourth Proportional to 251,704.40, 377,615.04 and 83,214.56

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Solution

The fourth proportional to 251,704.40, 377,615.04 and 83,214.56 is: 124,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,704.40 : 377,615.04 = 83,214.56 : x
  2. Step 2: Convert to fraction form
    251,704.40/377,615.04 = 83,214.56/x
  3. Step 3: Cross multiply
    251,704.40x = 377,615.04 × 83,214.56
  4. Step 4: Simplify right side
    251,704.40x = 31,423,069,402.98
  5. Step 5: Solve for x
    x = 31,423,069,402.98/251,704.40
  6. Step 6: Final answer
    x = 124,841.16

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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.