Home / 276,046.32-380,934.08-153,538.06

Finding the Fourth Proportional to 276,046.32, 380,934.08 and 153,538.06

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Solution

The fourth proportional to 276,046.32, 380,934.08 and 153,538.06 is: 211,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,046.32 : 380,934.08 = 153,538.06 : x
  2. Step 2: Convert to fraction form
    276,046.32/380,934.08 = 153,538.06/x
  3. Step 3: Cross multiply
    276,046.32x = 380,934.08 × 153,538.06
  4. Step 4: Simplify right side
    276,046.32x = 58,487,879,631.08
  5. Step 5: Solve for x
    x = 58,487,879,631.08/276,046.32
  6. Step 6: Final answer
    x = 211,877.05

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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.