Home / 319,600.23-479,275.78-119,811.63

Finding the Fourth Proportional to 319,600.23, 479,275.78 and 119,811.63

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Solution

The fourth proportional to 319,600.23, 479,275.78 and 119,811.63 is: 179,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,600.23 : 479,275.78 = 119,811.63 : x
  2. Step 2: Convert to fraction form
    319,600.23/479,275.78 = 119,811.63/x
  3. Step 3: Cross multiply
    319,600.23x = 479,275.78 × 119,811.63
  4. Step 4: Simplify right side
    319,600.23x = 57,422,812,421.32
  5. Step 5: Solve for x
    x = 57,422,812,421.32/319,600.23
  6. Step 6: Final answer
    x = 179,670.75

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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.