Home / 319,904.68-480,152.25-162,243.85

Finding the Fourth Proportional to 319,904.68, 480,152.25 and 162,243.85

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Solution

The fourth proportional to 319,904.68, 480,152.25 and 162,243.85 is: 243,515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,904.68 : 480,152.25 = 162,243.85 : x
  2. Step 2: Convert to fraction form
    319,904.68/480,152.25 = 162,243.85/x
  3. Step 3: Cross multiply
    319,904.68x = 480,152.25 × 162,243.85
  4. Step 4: Simplify right side
    319,904.68x = 77,901,749,626.16
  5. Step 5: Solve for x
    x = 77,901,749,626.16/319,904.68
  6. Step 6: Final answer
    x = 243,515.50

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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.