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Finding the Fourth Proportional to 162,959.70, 244,439.55 and 157,054.80

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Solution

The fourth proportional to 162,959.70, 244,439.55 and 157,054.80 is: 235,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,959.70 : 244,439.55 = 157,054.80 : x
  2. Step 2: Convert to fraction form
    162,959.70/244,439.55 = 157,054.80/x
  3. Step 3: Cross multiply
    162,959.70x = 244,439.55 × 157,054.80
  4. Step 4: Simplify right side
    162,959.70x = 38,390,404,637.34
  5. Step 5: Solve for x
    x = 38,390,404,637.34/162,959.70
  6. Step 6: Final answer
    x = 235,582.20

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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.