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Finding the Fourth Proportional to 253,484.34, 349,668.27 and 162,853.80

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Solution

The fourth proportional to 253,484.34, 349,668.27 and 162,853.80 is: 224,648.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,484.34 : 349,668.27 = 162,853.80 : x
  2. Step 2: Convert to fraction form
    253,484.34/349,668.27 = 162,853.80/x
  3. Step 3: Cross multiply
    253,484.34x = 349,668.27 × 162,853.80
  4. Step 4: Simplify right side
    253,484.34x = 56,944,806,508.93
  5. Step 5: Solve for x
    x = 56,944,806,508.93/253,484.34
  6. Step 6: Final answer
    x = 224,648.22

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1.5x scale

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.