Home / 472,179.90-651,589.26-257,315.35

Finding the Fourth Proportional to 472,179.90, 651,589.26 and 257,315.35

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Solution

The fourth proportional to 472,179.90, 651,589.26 and 257,315.35 is: 355,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,179.90 : 651,589.26 = 257,315.35 : x
  2. Step 2: Convert to fraction form
    472,179.90/651,589.26 = 257,315.35/x
  3. Step 3: Cross multiply
    472,179.90x = 651,589.26 × 257,315.35
  4. Step 4: Simplify right side
    472,179.90x = 167,663,918,568.36
  5. Step 5: Solve for x
    x = 167,663,918,568.36/472,179.90
  6. Step 6: Final answer
    x = 355,084.83

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1.5x scale

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.