Home / 343,225.60-514,857.96-115,429.76

Finding the Fourth Proportional to 343,225.60, 514,857.96 and 115,429.76

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Solution

The fourth proportional to 343,225.60, 514,857.96 and 115,429.76 is: 173,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,225.60 : 514,857.96 = 115,429.76 : x
  2. Step 2: Convert to fraction form
    343,225.60/514,857.96 = 115,429.76/x
  3. Step 3: Cross multiply
    343,225.60x = 514,857.96 × 115,429.76
  4. Step 4: Simplify right side
    343,225.60x = 59,429,930,756.89
  5. Step 5: Solve for x
    x = 59,429,930,756.89/343,225.60
  6. Step 6: Final answer
    x = 173,151.22

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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.