Home / 319,148.16-478,618.56-150,645.12

Finding the Fourth Proportional to 319,148.16, 478,618.56 and 150,645.12

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Solution

The fourth proportional to 319,148.16, 478,618.56 and 150,645.12 is: 225,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,148.16 : 478,618.56 = 150,645.12 : x
  2. Step 2: Convert to fraction form
    319,148.16/478,618.56 = 150,645.12/x
  3. Step 3: Cross multiply
    319,148.16x = 478,618.56 × 150,645.12
  4. Step 4: Simplify right side
    319,148.16x = 72,101,550,405.43
  5. Step 5: Solve for x
    x = 72,101,550,405.43/319,148.16
  6. Step 6: Final answer
    x = 225,918.74

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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.