Home / 253,780.49-380,255.44-153,637.15

Finding the Fourth Proportional to 253,780.49, 380,255.44 and 153,637.15

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Solution

The fourth proportional to 253,780.49, 380,255.44 and 153,637.15 is: 230,204.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,780.49 : 380,255.44 = 153,637.15 : x
  2. Step 2: Convert to fraction form
    253,780.49/380,255.44 = 153,637.15/x
  3. Step 3: Cross multiply
    253,780.49x = 380,255.44 × 153,637.15
  4. Step 4: Simplify right side
    253,780.49x = 58,421,362,073.60
  5. Step 5: Solve for x
    x = 58,421,362,073.60/253,780.49
  6. Step 6: Final answer
    x = 230,204.31

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1.5x scale

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.