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Finding the Fourth Proportional to 350,931.06, 526,315.62 and 98,229.36

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Solution

The fourth proportional to 350,931.06, 526,315.62 and 98,229.36 is: 147,321.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,931.06 : 526,315.62 = 98,229.36 : x
  2. Step 2: Convert to fraction form
    350,931.06/526,315.62 = 98,229.36/x
  3. Step 3: Cross multiply
    350,931.06x = 526,315.62 × 98,229.36
  4. Step 4: Simplify right side
    350,931.06x = 51,699,646,510.60
  5. Step 5: Solve for x
    x = 51,699,646,510.60/350,931.06
  6. Step 6: Final answer
    x = 147,321.38

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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.