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Finding the Fourth Proportional to 230,547.44, 345,851.40 and 90,287.84

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Solution

The fourth proportional to 230,547.44, 345,851.40 and 90,287.84 is: 135,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,547.44 : 345,851.40 = 90,287.84 : x
  2. Step 2: Convert to fraction form
    230,547.44/345,851.40 = 90,287.84/x
  3. Step 3: Cross multiply
    230,547.44x = 345,851.40 × 90,287.84
  4. Step 4: Simplify right side
    230,547.44x = 31,226,175,866.98
  5. Step 5: Solve for x
    x = 31,226,175,866.98/230,547.44
  6. Step 6: Final answer
    x = 135,443.60

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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.