Home / 397,500.28-596,480.06-210,511.80

Finding the Fourth Proportional to 397,500.28, 596,480.06 and 210,511.80

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Solution

The fourth proportional to 397,500.28, 596,480.06 and 210,511.80 is: 315,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,500.28 : 596,480.06 = 210,511.80 : x
  2. Step 2: Convert to fraction form
    397,500.28/596,480.06 = 210,511.80/x
  3. Step 3: Cross multiply
    397,500.28x = 596,480.06 × 210,511.80
  4. Step 4: Simplify right side
    397,500.28x = 125,566,091,094.71
  5. Step 5: Solve for x
    x = 125,566,091,094.71/397,500.28
  6. Step 6: Final answer
    x = 315,889.31

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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.