Home / 340,085.18-509,567.25-197,530.28

Finding the Fourth Proportional to 340,085.18, 509,567.25 and 197,530.28

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Solution

The fourth proportional to 340,085.18, 509,567.25 and 197,530.28 is: 295,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,085.18 : 509,567.25 = 197,530.28 : x
  2. Step 2: Convert to fraction form
    340,085.18/509,567.25 = 197,530.28/x
  3. Step 3: Cross multiply
    340,085.18x = 509,567.25 × 197,530.28
  4. Step 4: Simplify right side
    340,085.18x = 100,654,961,675.11
  5. Step 5: Solve for x
    x = 100,654,961,675.11/340,085.18
  6. Step 6: Final answer
    x = 295,969.85

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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.