Home / 224,945.20-310,423.60-122,970.65

Finding the Fourth Proportional to 224,945.20, 310,423.60 and 122,970.65

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Solution

The fourth proportional to 224,945.20, 310,423.60 and 122,970.65 is: 169,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,945.20 : 310,423.60 = 122,970.65 : x
  2. Step 2: Convert to fraction form
    224,945.20/310,423.60 = 122,970.65/x
  3. Step 3: Cross multiply
    224,945.20x = 310,423.60 × 122,970.65
  4. Step 4: Simplify right side
    224,945.20x = 38,172,991,867.34
  5. Step 5: Solve for x
    x = 38,172,991,867.34/224,945.20
  6. Step 6: Final answer
    x = 169,699.07

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1.5x scale

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.