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Finding the Fourth Proportional to 325,008.80, 487,513.20 and 114,619.40

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Solution

The fourth proportional to 325,008.80, 487,513.20 and 114,619.40 is: 171,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,008.80 : 487,513.20 = 114,619.40 : x
  2. Step 2: Convert to fraction form
    325,008.80/487,513.20 = 114,619.40/x
  3. Step 3: Cross multiply
    325,008.80x = 487,513.20 × 114,619.40
  4. Step 4: Simplify right side
    325,008.80x = 55,878,470,476.08
  5. Step 5: Solve for x
    x = 55,878,470,476.08/325,008.80
  6. Step 6: Final answer
    x = 171,929.10

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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.