Home / 253,301.02-349,554.14-138,577.59

Finding the Fourth Proportional to 253,301.02, 349,554.14 and 138,577.59

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Solution

The fourth proportional to 253,301.02, 349,554.14 and 138,577.59 is: 191,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,301.02 : 349,554.14 = 138,577.59 : x
  2. Step 2: Convert to fraction form
    253,301.02/349,554.14 = 138,577.59/x
  3. Step 3: Cross multiply
    253,301.02x = 349,554.14 × 138,577.59
  4. Step 4: Simplify right side
    253,301.02x = 48,440,367,855.06
  5. Step 5: Solve for x
    x = 48,440,367,855.06/253,301.02
  6. Step 6: Final answer
    x = 191,236.37

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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.