Home / 397,533.30-596,991.15-210,909.30

Finding the Fourth Proportional to 397,533.30, 596,991.15 and 210,909.30

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Solution

The fourth proportional to 397,533.30, 596,991.15 and 210,909.30 is: 316,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,533.30 : 596,991.15 = 210,909.30 : x
  2. Step 2: Convert to fraction form
    397,533.30/596,991.15 = 210,909.30/x
  3. Step 3: Cross multiply
    397,533.30x = 596,991.15 × 210,909.30
  4. Step 4: Simplify right side
    397,533.30x = 125,910,985,552.70
  5. Step 5: Solve for x
    x = 125,910,985,552.70/397,533.30
  6. Step 6: Final answer
    x = 316,730.66

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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.