Home / 371,823.32-513,159.91-220,920.32

Finding the Fourth Proportional to 371,823.32, 513,159.91 and 220,920.32

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Solution

The fourth proportional to 371,823.32, 513,159.91 and 220,920.32 is: 304,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,823.32 : 513,159.91 = 220,920.32 : x
  2. Step 2: Convert to fraction form
    371,823.32/513,159.91 = 220,920.32/x
  3. Step 3: Cross multiply
    371,823.32x = 513,159.91 × 220,920.32
  4. Step 4: Simplify right side
    371,823.32x = 113,367,448,962.57
  5. Step 5: Solve for x
    x = 113,367,448,962.57/371,823.32
  6. Step 6: Final answer
    x = 304,896.02

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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.