Home / 218,963.04-328,015.60-195,160.16

Finding the Fourth Proportional to 218,963.04, 328,015.60 and 195,160.16

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Solution

The fourth proportional to 218,963.04, 328,015.60 and 195,160.16 is: 292,357.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,963.04 : 328,015.60 = 195,160.16 : x
  2. Step 2: Convert to fraction form
    218,963.04/328,015.60 = 195,160.16/x
  3. Step 3: Cross multiply
    218,963.04x = 328,015.60 × 195,160.16
  4. Step 4: Simplify right side
    218,963.04x = 64,015,576,978.50
  5. Step 5: Solve for x
    x = 64,015,576,978.50/218,963.04
  6. Step 6: Final answer
    x = 292,357.91

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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.