Home / 213,015.40-319,468.32-63,220.24

Finding the Fourth Proportional to 213,015.40, 319,468.32 and 63,220.24

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Solution

The fourth proportional to 213,015.40, 319,468.32 and 63,220.24 is: 94,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,015.40 : 319,468.32 = 63,220.24 : x
  2. Step 2: Convert to fraction form
    213,015.40/319,468.32 = 63,220.24/x
  3. Step 3: Cross multiply
    213,015.40x = 319,468.32 × 63,220.24
  4. Step 4: Simplify right side
    213,015.40x = 20,196,863,862.80
  5. Step 5: Solve for x
    x = 20,196,863,862.80/213,015.40
  6. Step 6: Final answer
    x = 94,814.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.