Home / 228,713.07-315,229.98-152,095.22

Finding the Fourth Proportional to 228,713.07, 315,229.98 and 152,095.22

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Solution

The fourth proportional to 228,713.07, 315,229.98 and 152,095.22 is: 209,629.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,713.07 : 315,229.98 = 152,095.22 : x
  2. Step 2: Convert to fraction form
    228,713.07/315,229.98 = 152,095.22/x
  3. Step 3: Cross multiply
    228,713.07x = 315,229.98 × 152,095.22
  4. Step 4: Simplify right side
    228,713.07x = 47,944,972,479.48
  5. Step 5: Solve for x
    x = 47,944,972,479.48/228,713.07
  6. Step 6: Final answer
    x = 209,629.35

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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.