Home / 325,070.08-487,429.79-147,480.20

Finding the Fourth Proportional to 325,070.08, 487,429.79 and 147,480.20

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Solution

The fourth proportional to 325,070.08, 487,429.79 and 147,480.20 is: 221,140.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,070.08 : 487,429.79 = 147,480.20 : x
  2. Step 2: Convert to fraction form
    325,070.08/487,429.79 = 147,480.20/x
  3. Step 3: Cross multiply
    325,070.08x = 487,429.79 × 147,480.20
  4. Step 4: Simplify right side
    325,070.08x = 71,886,242,915.16
  5. Step 5: Solve for x
    x = 71,886,242,915.16/325,070.08
  6. Step 6: Final answer
    x = 221,140.75

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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.