Home / 457,260.30-685,890.45-141,749.10

Finding the Fourth Proportional to 457,260.30, 685,890.45 and 141,749.10

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Solution

The fourth proportional to 457,260.30, 685,890.45 and 141,749.10 is: 212,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,260.30 : 685,890.45 = 141,749.10 : x
  2. Step 2: Convert to fraction form
    457,260.30/685,890.45 = 141,749.10/x
  3. Step 3: Cross multiply
    457,260.30x = 685,890.45 × 141,749.10
  4. Step 4: Simplify right side
    457,260.30x = 97,224,353,986.10
  5. Step 5: Solve for x
    x = 97,224,353,986.10/457,260.30
  6. Step 6: Final answer
    x = 212,623.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.