Home / 253,396.24-380,097-103,534.18

Finding the Fourth Proportional to 253,396.24, 380,097 and 103,534.18

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Solution

The fourth proportional to 253,396.24, 380,097 and 103,534.18 is: 155,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,396.24 : 380,097 = 103,534.18 : x
  2. Step 2: Convert to fraction form
    253,396.24/380,097 = 103,534.18/x
  3. Step 3: Cross multiply
    253,396.24x = 380,097 × 103,534.18
  4. Step 4: Simplify right side
    253,396.24x = 39,353,031,215.46
  5. Step 5: Solve for x
    x = 39,353,031,215.46/253,396.24
  6. Step 6: Final answer
    x = 155,302.35

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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.