Home / 230,547.07-345,850.84-90,287.47

Finding the Fourth Proportional to 230,547.07, 345,850.84 and 90,287.47

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Solution

The fourth proportional to 230,547.07, 345,850.84 and 90,287.47 is: 135,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,547.07 : 345,850.84 = 90,287.47 : x
  2. Step 2: Convert to fraction form
    230,547.07/345,850.84 = 90,287.47/x
  3. Step 3: Cross multiply
    230,547.07x = 345,850.84 × 90,287.47
  4. Step 4: Simplify right side
    230,547.07x = 31,225,995,611.72
  5. Step 5: Solve for x
    x = 31,225,995,611.72/230,547.07
  6. Step 6: Final answer
    x = 135,443.04

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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.