Home / 317,929.98-438,743.28-174,699.30

Finding the Fourth Proportional to 317,929.98, 438,743.28 and 174,699.30

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Solution

The fourth proportional to 317,929.98, 438,743.28 and 174,699.30 is: 241,084.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,929.98 : 438,743.28 = 174,699.30 : x
  2. Step 2: Convert to fraction form
    317,929.98/438,743.28 = 174,699.30/x
  3. Step 3: Cross multiply
    317,929.98x = 438,743.28 × 174,699.30
  4. Step 4: Simplify right side
    317,929.98x = 76,648,143,895.70
  5. Step 5: Solve for x
    x = 76,648,143,895.70/317,929.98
  6. Step 6: Final answer
    x = 241,084.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.