Home / 239,342.40-330,188.67-142,492.05

Finding the Fourth Proportional to 239,342.40, 330,188.67 and 142,492.05

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Solution

The fourth proportional to 239,342.40, 330,188.67 and 142,492.05 is: 196,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,342.40 : 330,188.67 = 142,492.05 : x
  2. Step 2: Convert to fraction form
    239,342.40/330,188.67 = 142,492.05/x
  3. Step 3: Cross multiply
    239,342.40x = 330,188.67 × 142,492.05
  4. Step 4: Simplify right side
    239,342.40x = 47,049,260,475.07
  5. Step 5: Solve for x
    x = 47,049,260,475.07/239,342.40
  6. Step 6: Final answer
    x = 196,577.21

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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.