Home / 242,700.56-334,938.24-135,271.37

Finding the Fourth Proportional to 242,700.56, 334,938.24 and 135,271.37

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Solution

The fourth proportional to 242,700.56, 334,938.24 and 135,271.37 is: 186,680.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,700.56 : 334,938.24 = 135,271.37 : x
  2. Step 2: Convert to fraction form
    242,700.56/334,938.24 = 135,271.37/x
  3. Step 3: Cross multiply
    242,700.56x = 334,938.24 × 135,271.37
  4. Step 4: Simplify right side
    242,700.56x = 45,307,552,915.50
  5. Step 5: Solve for x
    x = 45,307,552,915.50/242,700.56
  6. Step 6: Final answer
    x = 186,680.88

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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.