Home / 210,329.10-315,493.65-163,089.90

Finding the Fourth Proportional to 210,329.10, 315,493.65 and 163,089.90

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Solution

The fourth proportional to 210,329.10, 315,493.65 and 163,089.90 is: 244,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,329.10 : 315,493.65 = 163,089.90 : x
  2. Step 2: Convert to fraction form
    210,329.10/315,493.65 = 163,089.90/x
  3. Step 3: Cross multiply
    210,329.10x = 315,493.65 × 163,089.90
  4. Step 4: Simplify right side
    210,329.10x = 51,453,827,829.14
  5. Step 5: Solve for x
    x = 51,453,827,829.14/210,329.10
  6. Step 6: Final answer
    x = 244,634.85

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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.