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Finding the Fourth Proportional to 350,718.48, 526,155.66 and 163,627.92

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Solution

The fourth proportional to 350,718.48, 526,155.66 and 163,627.92 is: 245,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,718.48 : 526,155.66 = 163,627.92 : x
  2. Step 2: Convert to fraction form
    350,718.48/526,155.66 = 163,627.92/x
  3. Step 3: Cross multiply
    350,718.48x = 526,155.66 × 163,627.92
  4. Step 4: Simplify right side
    350,718.48x = 86,093,756,242.03
  5. Step 5: Solve for x
    x = 86,093,756,242.03/350,718.48
  6. Step 6: Final answer
    x = 245,478.24

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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.