Home / 272,082.85-375,457.78-151,220.12

Finding the Fourth Proportional to 272,082.85, 375,457.78 and 151,220.12

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Solution

The fourth proportional to 272,082.85, 375,457.78 and 151,220.12 is: 208,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,082.85 : 375,457.78 = 151,220.12 : x
  2. Step 2: Convert to fraction form
    272,082.85/375,457.78 = 151,220.12/x
  3. Step 3: Cross multiply
    272,082.85x = 375,457.78 × 151,220.12
  4. Step 4: Simplify right side
    272,082.85x = 56,776,768,858.27
  5. Step 5: Solve for x
    x = 56,776,768,858.27/272,082.85
  6. Step 6: Final answer
    x = 208,674.56

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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.