Home / 272,420.70-375,942.87-151,575.90

Finding the Fourth Proportional to 272,420.70, 375,942.87 and 151,575.90

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Solution

The fourth proportional to 272,420.70, 375,942.87 and 151,575.90 is: 209,176.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,420.70 : 375,942.87 = 151,575.90 : x
  2. Step 2: Convert to fraction form
    272,420.70/375,942.87 = 151,575.90/x
  3. Step 3: Cross multiply
    272,420.70x = 375,942.87 × 151,575.90
  4. Step 4: Simplify right side
    272,420.70x = 56,983,878,868.83
  5. Step 5: Solve for x
    x = 56,983,878,868.83/272,420.70
  6. Step 6: Final answer
    x = 209,176.02

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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.