Home / 317,045.12-437,450.40-215,084.48

Finding the Fourth Proportional to 317,045.12, 437,450.40 and 215,084.48

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Solution

The fourth proportional to 317,045.12, 437,450.40 and 215,084.48 is: 296,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,045.12 : 437,450.40 = 215,084.48 : x
  2. Step 2: Convert to fraction form
    317,045.12/437,450.40 = 215,084.48/x
  3. Step 3: Cross multiply
    317,045.12x = 437,450.40 × 215,084.48
  4. Step 4: Simplify right side
    317,045.12x = 94,088,791,809.79
  5. Step 5: Solve for x
    x = 94,088,791,809.79/317,045.12
  6. Step 6: Final answer
    x = 296,767.83

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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.