Home / 315,029.90-472,544.85-165,212.30

Finding the Fourth Proportional to 315,029.90, 472,544.85 and 165,212.30

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Solution

The fourth proportional to 315,029.90, 472,544.85 and 165,212.30 is: 247,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,029.90 : 472,544.85 = 165,212.30 : x
  2. Step 2: Convert to fraction form
    315,029.90/472,544.85 = 165,212.30/x
  3. Step 3: Cross multiply
    315,029.90x = 472,544.85 × 165,212.30
  4. Step 4: Simplify right side
    315,029.90x = 78,070,221,521.66
  5. Step 5: Solve for x
    x = 78,070,221,521.66/315,029.90
  6. Step 6: Final answer
    x = 247,818.45

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1.5x scale

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.