Home / 356,764.57-535,094.97-103,977.20

Finding the Fourth Proportional to 356,764.57, 535,094.97 and 103,977.20

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Solution

The fourth proportional to 356,764.57, 535,094.97 and 103,977.20 is: 155,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,764.57 : 535,094.97 = 103,977.20 : x
  2. Step 2: Convert to fraction form
    356,764.57/535,094.97 = 103,977.20/x
  3. Step 3: Cross multiply
    356,764.57x = 535,094.97 × 103,977.20
  4. Step 4: Simplify right side
    356,764.57x = 55,637,676,194.80
  5. Step 5: Solve for x
    x = 55,637,676,194.80/356,764.57
  6. Step 6: Final answer
    x = 155,950.68

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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.