Home / 400,259.27-600,487.32-160,389.11

Finding the Fourth Proportional to 400,259.27, 600,487.32 and 160,389.11

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Solution

The fourth proportional to 400,259.27, 600,487.32 and 160,389.11 is: 240,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,259.27 : 600,487.32 = 160,389.11 : x
  2. Step 2: Convert to fraction form
    400,259.27/600,487.32 = 160,389.11/x
  3. Step 3: Cross multiply
    400,259.27x = 600,487.32 × 160,389.11
  4. Step 4: Simplify right side
    400,259.27x = 96,311,628,923.76
  5. Step 5: Solve for x
    x = 96,311,628,923.76/400,259.27
  6. Step 6: Final answer
    x = 240,623.10

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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.