Home / 319,628.08-479,494.14-119,964.16

Finding the Fourth Proportional to 319,628.08, 479,494.14 and 119,964.16

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Solution

The fourth proportional to 319,628.08, 479,494.14 and 119,964.16 is: 179,965.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,628.08 : 479,494.14 = 119,964.16 : x
  2. Step 2: Convert to fraction form
    319,628.08/479,494.14 = 119,964.16/x
  3. Step 3: Cross multiply
    319,628.08x = 479,494.14 × 119,964.16
  4. Step 4: Simplify right side
    319,628.08x = 57,522,111,730.02
  5. Step 5: Solve for x
    x = 57,522,111,730.02/319,628.08
  6. Step 6: Final answer
    x = 179,965.76

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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.