Home / 316,269.66-436,718.07-225,902.82

Finding the Fourth Proportional to 316,269.66, 436,718.07 and 225,902.82

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Solution

The fourth proportional to 316,269.66, 436,718.07 and 225,902.82 is: 311,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,269.66 : 436,718.07 = 225,902.82 : x
  2. Step 2: Convert to fraction form
    316,269.66/436,718.07 = 225,902.82/x
  3. Step 3: Cross multiply
    316,269.66x = 436,718.07 × 225,902.82
  4. Step 4: Simplify right side
    316,269.66x = 98,655,843,557.96
  5. Step 5: Solve for x
    x = 98,655,843,557.96/316,269.66
  6. Step 6: Final answer
    x = 311,935.84

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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.