Home / 288,118.54-397,631.19-160,805.98

Finding the Fourth Proportional to 288,118.54, 397,631.19 and 160,805.98

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Solution

The fourth proportional to 288,118.54, 397,631.19 and 160,805.98 is: 221,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,118.54 : 397,631.19 = 160,805.98 : x
  2. Step 2: Convert to fraction form
    288,118.54/397,631.19 = 160,805.98/x
  3. Step 3: Cross multiply
    288,118.54x = 397,631.19 × 160,805.98
  4. Step 4: Simplify right side
    288,118.54x = 63,941,473,186.52
  5. Step 5: Solve for x
    x = 63,941,473,186.52/288,118.54
  6. Step 6: Final answer
    x = 221,927.66

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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.