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Finding the Fourth Proportional to 272,200.44, 375,649.11 and 151,354.14

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Solution

The fourth proportional to 272,200.44, 375,649.11 and 151,354.14 is: 208,875.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,200.44 : 375,649.11 = 151,354.14 : x
  2. Step 2: Convert to fraction form
    272,200.44/375,649.11 = 151,354.14/x
  3. Step 3: Cross multiply
    272,200.44x = 375,649.11 × 151,354.14
  4. Step 4: Simplify right side
    272,200.44x = 56,856,047,985.82
  5. Step 5: Solve for x
    x = 56,856,047,985.82/272,200.44
  6. Step 6: Final answer
    x = 208,875.67

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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.