Home / 207,501.40-311,252.10-205,946.20

Finding the Fourth Proportional to 207,501.40, 311,252.10 and 205,946.20

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Solution

The fourth proportional to 207,501.40, 311,252.10 and 205,946.20 is: 308,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,501.40 : 311,252.10 = 205,946.20 : x
  2. Step 2: Convert to fraction form
    207,501.40/311,252.10 = 205,946.20/x
  3. Step 3: Cross multiply
    207,501.40x = 311,252.10 × 205,946.20
  4. Step 4: Simplify right side
    207,501.40x = 64,101,187,237.02
  5. Step 5: Solve for x
    x = 64,101,187,237.02/207,501.40
  6. Step 6: Final answer
    x = 308,919.30

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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.