Home / 264,860.40-397,302.84-87,382.92

Finding the Fourth Proportional to 264,860.40, 397,302.84 and 87,382.92

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Solution

The fourth proportional to 264,860.40, 397,302.84 and 87,382.92 is: 131,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,860.40 : 397,302.84 = 87,382.92 : x
  2. Step 2: Convert to fraction form
    264,860.40/397,302.84 = 87,382.92/x
  3. Step 3: Cross multiply
    264,860.40x = 397,302.84 × 87,382.92
  4. Step 4: Simplify right side
    264,860.40x = 34,717,482,283.49
  5. Step 5: Solve for x
    x = 34,717,482,283.49/264,860.40
  6. Step 6: Final answer
    x = 131,078.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.