Home / 486,947.55-671,991.00-272,096.67

Finding the Fourth Proportional to 486,947.55, 671,991.00 and 272,096.67

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Solution

The fourth proportional to 486,947.55, 671,991.00 and 272,096.67 is: 375,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,947.55 : 671,991.00 = 272,096.67 : x
  2. Step 2: Convert to fraction form
    486,947.55/671,991.00 = 272,096.67/x
  3. Step 3: Cross multiply
    486,947.55x = 671,991.00 × 272,096.67
  4. Step 4: Simplify right side
    486,947.55x = 182,846,516,400.12
  5. Step 5: Solve for x
    x = 182,846,516,400.12/486,947.55
  6. Step 6: Final answer
    x = 375,495.30

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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.