Home / 306,837.95-423,436.28-179,538.21

Finding the Fourth Proportional to 306,837.95, 423,436.28 and 179,538.21

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Solution

The fourth proportional to 306,837.95, 423,436.28 and 179,538.21 is: 247,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,837.95 : 423,436.28 = 179,538.21 : x
  2. Step 2: Convert to fraction form
    306,837.95/423,436.28 = 179,538.21/x
  3. Step 3: Cross multiply
    306,837.95x = 423,436.28 × 179,538.21
  4. Step 4: Simplify right side
    306,837.95x = 76,022,990,862.57
  5. Step 5: Solve for x
    x = 76,022,990,862.57/306,837.95
  6. Step 6: Final answer
    x = 247,762.68

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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.