Home / 829,209.42-1,243,903.02-230,173.14

Finding the Fourth Proportional to 829,209.42, 1,243,903.02 and 230,173.14

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Solution

The fourth proportional to 829,209.42, 1,243,903.02 and 230,173.14 is: 345,284.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,209.42 : 1,243,903.02 = 230,173.14 : x
  2. Step 2: Convert to fraction form
    829,209.42/1,243,903.02 = 230,173.14/x
  3. Step 3: Cross multiply
    829,209.42x = 1,243,903.02 × 230,173.14
  4. Step 4: Simplify right side
    829,209.42x = 286,313,063,968.88
  5. Step 5: Solve for x
    x = 286,313,063,968.88/829,209.42
  6. Step 6: Final answer
    x = 345,284.38

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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.