Home / 265,278.04-397,384.08-131,754.40

Finding the Fourth Proportional to 265,278.04, 397,384.08 and 131,754.40

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Solution

The fourth proportional to 265,278.04, 397,384.08 and 131,754.40 is: 197,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,278.04 : 397,384.08 = 131,754.40 : x
  2. Step 2: Convert to fraction form
    265,278.04/397,384.08 = 131,754.40/x
  3. Step 3: Cross multiply
    265,278.04x = 397,384.08 × 131,754.40
  4. Step 4: Simplify right side
    265,278.04x = 52,357,101,029.95
  5. Step 5: Solve for x
    x = 52,357,101,029.95/265,278.04
  6. Step 6: Final answer
    x = 197,366.89

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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.