Home / 315,264.07-435,073.98-179,317.59

Finding the Fourth Proportional to 315,264.07, 435,073.98 and 179,317.59

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Solution

The fourth proportional to 315,264.07, 435,073.98 and 179,317.59 is: 247,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,264.07 : 435,073.98 = 179,317.59 : x
  2. Step 2: Convert to fraction form
    315,264.07/435,073.98 = 179,317.59/x
  3. Step 3: Cross multiply
    315,264.07x = 435,073.98 × 179,317.59
  4. Step 4: Simplify right side
    315,264.07x = 78,016,417,565.31
  5. Step 5: Solve for x
    x = 78,016,417,565.31/315,264.07
  6. Step 6: Final answer
    x = 247,463.71

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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.