Home / 288,196.20-432,002.70-169,806.60

Finding the Fourth Proportional to 288,196.20, 432,002.70 and 169,806.60

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Solution

The fourth proportional to 288,196.20, 432,002.70 and 169,806.60 is: 254,538.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,196.20 : 432,002.70 = 169,806.60 : x
  2. Step 2: Convert to fraction form
    288,196.20/432,002.70 = 169,806.60/x
  3. Step 3: Cross multiply
    288,196.20x = 432,002.70 × 169,806.60
  4. Step 4: Simplify right side
    288,196.20x = 73,356,909,677.82
  5. Step 5: Solve for x
    x = 73,356,909,677.82/288,196.20
  6. Step 6: Final answer
    x = 254,538.09

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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.