Home / 253,520.47-349,877.68-144,627.21

Finding the Fourth Proportional to 253,520.47, 349,877.68 and 144,627.21

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Solution

The fourth proportional to 253,520.47, 349,877.68 and 144,627.21 is: 199,596.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,520.47 : 349,877.68 = 144,627.21 : x
  2. Step 2: Convert to fraction form
    253,520.47/349,877.68 = 144,627.21/x
  3. Step 3: Cross multiply
    253,520.47x = 349,877.68 × 144,627.21
  4. Step 4: Simplify right side
    253,520.47x = 50,601,832,699.67
  5. Step 5: Solve for x
    x = 50,601,832,699.67/253,520.47
  6. Step 6: Final answer
    x = 199,596.63

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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.