Home / 268,126.30-370,018.74-147,278.76

Finding the Fourth Proportional to 268,126.30, 370,018.74 and 147,278.76

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Solution

The fourth proportional to 268,126.30, 370,018.74 and 147,278.76 is: 203,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,126.30 : 370,018.74 = 147,278.76 : x
  2. Step 2: Convert to fraction form
    268,126.30/370,018.74 = 147,278.76/x
  3. Step 3: Cross multiply
    268,126.30x = 370,018.74 × 147,278.76
  4. Step 4: Simplify right side
    268,126.30x = 54,495,901,203.96
  5. Step 5: Solve for x
    x = 54,495,901,203.96/268,126.30
  6. Step 6: Final answer
    x = 203,247.13

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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.