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Finding the Fourth Proportional to 230,549.59, 345,875.57 and 70,647.69

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Solution

The fourth proportional to 230,549.59, 345,875.57 and 70,647.69 is: 105,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,549.59 : 345,875.57 = 70,647.69 : x
  2. Step 2: Convert to fraction form
    230,549.59/345,875.57 = 70,647.69/x
  3. Step 3: Cross multiply
    230,549.59x = 345,875.57 × 70,647.69
  4. Step 4: Simplify right side
    230,549.59x = 24,435,311,256.66
  5. Step 5: Solve for x
    x = 24,435,311,256.66/230,549.59
  6. Step 6: Final answer
    x = 105,987.22

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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.