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Finding the Fourth Proportional to 253,370, 349,663.56 and 152,774.48

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Solution

The fourth proportional to 253,370, 349,663.56 and 152,774.48 is: 210,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,370 : 349,663.56 = 152,774.48 : x
  2. Step 2: Convert to fraction form
    253,370/349,663.56 = 152,774.48/x
  3. Step 3: Cross multiply
    253,370x = 349,663.56 × 152,774.48
  4. Step 4: Simplify right side
    253,370x = 53,419,668,553.95
  5. Step 5: Solve for x
    x = 53,419,668,553.95/253,370
  6. Step 6: Final answer
    x = 210,836.60

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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.