Home / 253,519.47-349,876.30-144,626.21

Finding the Fourth Proportional to 253,519.47, 349,876.30 and 144,626.21

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Solution

The fourth proportional to 253,519.47, 349,876.30 and 144,626.21 is: 199,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,519.47 : 349,876.30 = 144,626.21 : x
  2. Step 2: Convert to fraction form
    253,519.47/349,876.30 = 144,626.21/x
  3. Step 3: Cross multiply
    253,519.47x = 349,876.30 × 144,626.21
  4. Step 4: Simplify right side
    253,519.47x = 50,601,281,669.22
  5. Step 5: Solve for x
    x = 50,601,281,669.22/253,519.47
  6. Step 6: Final answer
    x = 199,595.25

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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.