Home / 353,928.02-488,527.38-240,816.38

Finding the Fourth Proportional to 353,928.02, 488,527.38 and 240,816.38

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Solution

The fourth proportional to 353,928.02, 488,527.38 and 240,816.38 is: 332,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,928.02 : 488,527.38 = 240,816.38 : x
  2. Step 2: Convert to fraction form
    353,928.02/488,527.38 = 240,816.38/x
  3. Step 3: Cross multiply
    353,928.02x = 488,527.38 × 240,816.38
  4. Step 4: Simplify right side
    353,928.02x = 117,645,395,182.48
  5. Step 5: Solve for x
    x = 117,645,395,182.48/353,928.02
  6. Step 6: Final answer
    x = 332,399.21

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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.