Home / 272,047.32-375,308.78-169,895.45

Finding the Fourth Proportional to 272,047.32, 375,308.78 and 169,895.45

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Solution

The fourth proportional to 272,047.32, 375,308.78 and 169,895.45 is: 234,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,047.32 : 375,308.78 = 169,895.45 : x
  2. Step 2: Convert to fraction form
    272,047.32/375,308.78 = 169,895.45/x
  3. Step 3: Cross multiply
    272,047.32x = 375,308.78 × 169,895.45
  4. Step 4: Simplify right side
    272,047.32x = 63,763,254,155.85
  5. Step 5: Solve for x
    x = 63,763,254,155.85/272,047.32
  6. Step 6: Final answer
    x = 234,382.95

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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.