Home / 345,511.10-476,820.03-192,549.47

Finding the Fourth Proportional to 345,511.10, 476,820.03 and 192,549.47

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Solution

The fourth proportional to 345,511.10, 476,820.03 and 192,549.47 is: 265,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,511.10 : 476,820.03 = 192,549.47 : x
  2. Step 2: Convert to fraction form
    345,511.10/476,820.03 = 192,549.47/x
  3. Step 3: Cross multiply
    345,511.10x = 476,820.03 × 192,549.47
  4. Step 4: Simplify right side
    345,511.10x = 91,811,444,061.88
  5. Step 5: Solve for x
    x = 91,811,444,061.88/345,511.10
  6. Step 6: Final answer
    x = 265,726.47

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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.