Home / 331,570.24-497,358.78-265,430.86

Finding the Fourth Proportional to 331,570.24, 497,358.78 and 265,430.86

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Solution

The fourth proportional to 331,570.24, 497,358.78 and 265,430.86 is: 398,149.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,570.24 : 497,358.78 = 265,430.86 : x
  2. Step 2: Convert to fraction form
    331,570.24/497,358.78 = 265,430.86/x
  3. Step 3: Cross multiply
    331,570.24x = 497,358.78 × 265,430.86
  4. Step 4: Simplify right side
    331,570.24x = 132,014,368,703.95
  5. Step 5: Solve for x
    x = 132,014,368,703.95/331,570.24
  6. Step 6: Final answer
    x = 398,149.03

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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.