Home / 612,037.35-917,815.59-207,118.04

Finding the Fourth Proportional to 612,037.35, 917,815.59 and 207,118.04

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Solution

The fourth proportional to 612,037.35, 917,815.59 and 207,118.04 is: 310,595.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,037.35 : 917,815.59 = 207,118.04 : x
  2. Step 2: Convert to fraction form
    612,037.35/917,815.59 = 207,118.04/x
  3. Step 3: Cross multiply
    612,037.35x = 917,815.59 × 207,118.04
  4. Step 4: Simplify right side
    612,037.35x = 190,096,161,493.17
  5. Step 5: Solve for x
    x = 190,096,161,493.17/612,037.35
  6. Step 6: Final answer
    x = 310,595.69

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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.