Home / 319,601.23-479,277.28-119,812.63

Finding the Fourth Proportional to 319,601.23, 479,277.28 and 119,812.63

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Solution

The fourth proportional to 319,601.23, 479,277.28 and 119,812.63 is: 179,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,601.23 : 479,277.28 = 119,812.63 : x
  2. Step 2: Convert to fraction form
    319,601.23/479,277.28 = 119,812.63/x
  3. Step 3: Cross multiply
    319,601.23x = 479,277.28 × 119,812.63
  4. Step 4: Simplify right side
    319,601.23x = 57,423,471,416.05
  5. Step 5: Solve for x
    x = 57,423,471,416.05/319,601.23
  6. Step 6: Final answer
    x = 179,672.25

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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.