Home / 215,378.06-297,482.90-157,934.48

Finding the Fourth Proportional to 215,378.06, 297,482.90 and 157,934.48

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Solution

The fourth proportional to 215,378.06, 297,482.90 and 157,934.48 is: 218,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,378.06 : 297,482.90 = 157,934.48 : x
  2. Step 2: Convert to fraction form
    215,378.06/297,482.90 = 157,934.48/x
  3. Step 3: Cross multiply
    215,378.06x = 297,482.90 × 157,934.48
  4. Step 4: Simplify right side
    215,378.06x = 46,982,804,843.31
  5. Step 5: Solve for x
    x = 46,982,804,843.31/215,378.06
  6. Step 6: Final answer
    x = 218,141.10

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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.