Home / 253,010.23-349,120.38-162,488.71

Finding the Fourth Proportional to 253,010.23, 349,120.38 and 162,488.71

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Solution

The fourth proportional to 253,010.23, 349,120.38 and 162,488.71 is: 224,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,010.23 : 349,120.38 = 162,488.71 : x
  2. Step 2: Convert to fraction form
    253,010.23/349,120.38 = 162,488.71/x
  3. Step 3: Cross multiply
    253,010.23x = 349,120.38 × 162,488.71
  4. Step 4: Simplify right side
    253,010.23x = 56,728,119,330.74
  5. Step 5: Solve for x
    x = 56,728,119,330.74/253,010.23
  6. Step 6: Final answer
    x = 224,212.75

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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.