Home / 348,867.80-523,301.70-127,338.20

Finding the Fourth Proportional to 348,867.80, 523,301.70 and 127,338.20

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Solution

The fourth proportional to 348,867.80, 523,301.70 and 127,338.20 is: 191,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,867.80 : 523,301.70 = 127,338.20 : x
  2. Step 2: Convert to fraction form
    348,867.80/523,301.70 = 127,338.20/x
  3. Step 3: Cross multiply
    348,867.80x = 523,301.70 × 127,338.20
  4. Step 4: Simplify right side
    348,867.80x = 66,636,296,534.94
  5. Step 5: Solve for x
    x = 66,636,296,534.94/348,867.80
  6. Step 6: Final answer
    x = 191,007.30

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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.