Home / 480,230.10-720,381.60-143,244.36

Finding the Fourth Proportional to 480,230.10, 720,381.60 and 143,244.36

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Solution

The fourth proportional to 480,230.10, 720,381.60 and 143,244.36 is: 214,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,230.10 : 720,381.60 = 143,244.36 : x
  2. Step 2: Convert to fraction form
    480,230.10/720,381.60 = 143,244.36/x
  3. Step 3: Cross multiply
    480,230.10x = 720,381.60 × 143,244.36
  4. Step 4: Simplify right side
    480,230.10x = 103,190,601,247.78
  5. Step 5: Solve for x
    x = 103,190,601,247.78/480,230.10
  6. Step 6: Final answer
    x = 214,877.41

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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.