Home / 209,280.20-288,294.14-151,750.45

Finding the Fourth Proportional to 209,280.20, 288,294.14 and 151,750.45

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Solution

The fourth proportional to 209,280.20, 288,294.14 and 151,750.45 is: 209,043.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,280.20 : 288,294.14 = 151,750.45 : x
  2. Step 2: Convert to fraction form
    209,280.20/288,294.14 = 151,750.45/x
  3. Step 3: Cross multiply
    209,280.20x = 288,294.14 × 151,750.45
  4. Step 4: Simplify right side
    209,280.20x = 43,748,765,136.00
  5. Step 5: Solve for x
    x = 43,748,765,136.00/209,280.20
  6. Step 6: Final answer
    x = 209,043.98

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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.