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Finding the Fourth Proportional to 361,468.17, 498,999.69 and 254,130.21

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Solution

The fourth proportional to 361,468.17, 498,999.69 and 254,130.21 is: 350,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,468.17 : 498,999.69 = 254,130.21 : x
  2. Step 2: Convert to fraction form
    361,468.17/498,999.69 = 254,130.21/x
  3. Step 3: Cross multiply
    361,468.17x = 498,999.69 × 254,130.21
  4. Step 4: Simplify right side
    361,468.17x = 126,810,896,009.64
  5. Step 5: Solve for x
    x = 126,810,896,009.64/361,468.17
  6. Step 6: Final answer
    x = 350,821.75

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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.