Home / 317,699.10-438,427.80-174,462.14

Finding the Fourth Proportional to 317,699.10, 438,427.80 and 174,462.14

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Solution

The fourth proportional to 317,699.10, 438,427.80 and 174,462.14 is: 240,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,699.10 : 438,427.80 = 174,462.14 : x
  2. Step 2: Convert to fraction form
    317,699.10/438,427.80 = 174,462.14/x
  3. Step 3: Cross multiply
    317,699.10x = 438,427.80 × 174,462.14
  4. Step 4: Simplify right side
    317,699.10x = 76,489,052,223.49
  5. Step 5: Solve for x
    x = 76,489,052,223.49/317,699.10
  6. Step 6: Final answer
    x = 240,759.42

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1.5x scale

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.