Home / 268,211.08-402,312.06-141,824.35

Finding the Fourth Proportional to 268,211.08, 402,312.06 and 141,824.35

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Solution

The fourth proportional to 268,211.08, 402,312.06 and 141,824.35 is: 212,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,211.08 : 402,312.06 = 141,824.35 : x
  2. Step 2: Convert to fraction form
    268,211.08/402,312.06 = 141,824.35/x
  3. Step 3: Cross multiply
    268,211.08x = 402,312.06 × 141,824.35
  4. Step 4: Simplify right side
    268,211.08x = 57,057,645,400.88
  5. Step 5: Solve for x
    x = 57,057,645,400.88/268,211.08
  6. Step 6: Final answer
    x = 212,734.11

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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.