Home / 215,222.94-297,370.53-154,673.10

Finding the Fourth Proportional to 215,222.94, 297,370.53 and 154,673.10

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Solution

The fourth proportional to 215,222.94, 297,370.53 and 154,673.10 is: 213,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,222.94 : 297,370.53 = 154,673.10 : x
  2. Step 2: Convert to fraction form
    215,222.94/297,370.53 = 154,673.10/x
  3. Step 3: Cross multiply
    215,222.94x = 297,370.53 × 154,673.10
  4. Step 4: Simplify right side
    215,222.94x = 45,995,221,723.74
  5. Step 5: Solve for x
    x = 45,995,221,723.74/215,222.94
  6. Step 6: Final answer
    x = 213,709.66

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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.