Home / 216,403.80-298,615.36-148,479.24

Finding the Fourth Proportional to 216,403.80, 298,615.36 and 148,479.24

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Solution

The fourth proportional to 216,403.80, 298,615.36 and 148,479.24 is: 204,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,403.80 : 298,615.36 = 148,479.24 : x
  2. Step 2: Convert to fraction form
    216,403.80/298,615.36 = 148,479.24/x
  3. Step 3: Cross multiply
    216,403.80x = 298,615.36 × 148,479.24
  4. Step 4: Simplify right side
    216,403.80x = 44,338,181,705.13
  5. Step 5: Solve for x
    x = 44,338,181,705.13/216,403.80
  6. Step 6: Final answer
    x = 204,886.34

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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.