Home / 439,567.20-659,350.80-214,962.30

Finding the Fourth Proportional to 439,567.20, 659,350.80 and 214,962.30

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Solution

The fourth proportional to 439,567.20, 659,350.80 and 214,962.30 is: 322,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,567.20 : 659,350.80 = 214,962.30 : x
  2. Step 2: Convert to fraction form
    439,567.20/659,350.80 = 214,962.30/x
  3. Step 3: Cross multiply
    439,567.20x = 659,350.80 × 214,962.30
  4. Step 4: Simplify right side
    439,567.20x = 141,735,564,474.84
  5. Step 5: Solve for x
    x = 141,735,564,474.84/439,567.20
  6. Step 6: Final answer
    x = 322,443.45

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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.