Home / 347,948.82-480,170.28-202,840.76

Finding the Fourth Proportional to 347,948.82, 480,170.28 and 202,840.76

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Solution

The fourth proportional to 347,948.82, 480,170.28 and 202,840.76 is: 279,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,948.82 : 480,170.28 = 202,840.76 : x
  2. Step 2: Convert to fraction form
    347,948.82/480,170.28 = 202,840.76/x
  3. Step 3: Cross multiply
    347,948.82x = 480,170.28 × 202,840.76
  4. Step 4: Simplify right side
    347,948.82x = 97,398,102,123.76
  5. Step 5: Solve for x
    x = 97,398,102,123.76/347,948.82
  6. Step 6: Final answer
    x = 279,920.77

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1.5x scale

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.