Home / 249,378.95-374,121.03-80,886.19

Finding the Fourth Proportional to 249,378.95, 374,121.03 and 80,886.19

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Solution

The fourth proportional to 249,378.95, 374,121.03 and 80,886.19 is: 121,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,378.95 : 374,121.03 = 80,886.19 : x
  2. Step 2: Convert to fraction form
    249,378.95/374,121.03 = 80,886.19/x
  3. Step 3: Cross multiply
    249,378.95x = 374,121.03 × 80,886.19
  4. Step 4: Simplify right side
    249,378.95x = 30,261,224,311.14
  5. Step 5: Solve for x
    x = 30,261,224,311.14/249,378.95
  6. Step 6: Final answer
    x = 121,346.35

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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.