Home / 389,968.40-584,952.60-224,080.40

Finding the Fourth Proportional to 389,968.40, 584,952.60 and 224,080.40

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Solution

The fourth proportional to 389,968.40, 584,952.60 and 224,080.40 is: 336,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,968.40 : 584,952.60 = 224,080.40 : x
  2. Step 2: Convert to fraction form
    389,968.40/584,952.60 = 224,080.40/x
  3. Step 3: Cross multiply
    389,968.40x = 584,952.60 × 224,080.40
  4. Step 4: Simplify right side
    389,968.40x = 131,076,412,589.04
  5. Step 5: Solve for x
    x = 131,076,412,589.04/389,968.40
  6. Step 6: Final answer
    x = 336,120.60

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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.