Home / 319,723.99-479,482.15-106,434.61

Finding the Fourth Proportional to 319,723.99, 479,482.15 and 106,434.61

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Solution

The fourth proportional to 319,723.99, 479,482.15 and 106,434.61 is: 159,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,723.99 : 479,482.15 = 106,434.61 : x
  2. Step 2: Convert to fraction form
    319,723.99/479,482.15 = 106,434.61/x
  3. Step 3: Cross multiply
    319,723.99x = 479,482.15 × 106,434.61
  4. Step 4: Simplify right side
    319,723.99x = 51,033,495,637.21
  5. Step 5: Solve for x
    x = 51,033,495,637.21/319,723.99
  6. Step 6: Final answer
    x = 159,617.35

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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.