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Finding the Fourth Proportional to 288,189.54, 432,283.64 and 160,187.18

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Solution

The fourth proportional to 288,189.54, 432,283.64 and 160,187.18 is: 240,280.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,189.54 : 432,283.64 = 160,187.18 : x
  2. Step 2: Convert to fraction form
    288,189.54/432,283.64 = 160,187.18/x
  3. Step 3: Cross multiply
    288,189.54x = 432,283.64 × 160,187.18
  4. Step 4: Simplify right side
    288,189.54x = 69,246,294,289.38
  5. Step 5: Solve for x
    x = 69,246,294,289.38/288,189.54
  6. Step 6: Final answer
    x = 240,280.39

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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.