Home / 265,502.20-397,670.10-160,137.40

Finding the Fourth Proportional to 265,502.20, 397,670.10 and 160,137.40

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Solution

The fourth proportional to 265,502.20, 397,670.10 and 160,137.40 is: 239,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,502.20 : 397,670.10 = 160,137.40 : x
  2. Step 2: Convert to fraction form
    265,502.20/397,670.10 = 160,137.40/x
  3. Step 3: Cross multiply
    265,502.20x = 397,670.10 × 160,137.40
  4. Step 4: Simplify right side
    265,502.20x = 63,681,855,871.74
  5. Step 5: Solve for x
    x = 63,681,855,871.74/265,502.20
  6. Step 6: Final answer
    x = 239,854.34

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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.