Home / 274,180.65-378,366.71-153,320.55

Finding the Fourth Proportional to 274,180.65, 378,366.71 and 153,320.55

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Solution

The fourth proportional to 274,180.65, 378,366.71 and 153,320.55 is: 211,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,180.65 : 378,366.71 = 153,320.55 : x
  2. Step 2: Convert to fraction form
    274,180.65/378,366.71 = 153,320.55/x
  3. Step 3: Cross multiply
    274,180.65x = 378,366.71 × 153,320.55
  4. Step 4: Simplify right side
    274,180.65x = 58,011,391,312.29
  5. Step 5: Solve for x
    x = 58,011,391,312.29/274,180.65
  6. Step 6: Final answer
    x = 211,580.91

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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.