Home / 427,700.90-590,206.20-243,946.73

Finding the Fourth Proportional to 427,700.90, 590,206.20 and 243,946.73

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Solution

The fourth proportional to 427,700.90, 590,206.20 and 243,946.73 is: 336,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,700.90 : 590,206.20 = 243,946.73 : x
  2. Step 2: Convert to fraction form
    427,700.90/590,206.20 = 243,946.73/x
  3. Step 3: Cross multiply
    427,700.90x = 590,206.20 × 243,946.73
  4. Step 4: Simplify right side
    427,700.90x = 143,978,869,564.70
  5. Step 5: Solve for x
    x = 143,978,869,564.70/427,700.90
  6. Step 6: Final answer
    x = 336,634.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.