Home / 265,005.17-397,298.58-131,812.76

Finding the Fourth Proportional to 265,005.17, 397,298.58 and 131,812.76

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Solution

The fourth proportional to 265,005.17, 397,298.58 and 131,812.76 is: 197,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,005.17 : 397,298.58 = 131,812.76 : x
  2. Step 2: Convert to fraction form
    265,005.17/397,298.58 = 131,812.76/x
  3. Step 3: Cross multiply
    265,005.17x = 397,298.58 × 131,812.76
  4. Step 4: Simplify right side
    265,005.17x = 52,369,022,373.88
  5. Step 5: Solve for x
    x = 52,369,022,373.88/265,005.17
  6. Step 6: Final answer
    x = 197,615.10

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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.