Home / 317,663.31-438,381.63-174,422.10

Finding the Fourth Proportional to 317,663.31, 438,381.63 and 174,422.10

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Solution

The fourth proportional to 317,663.31, 438,381.63 and 174,422.10 is: 240,705.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,663.31 : 438,381.63 = 174,422.10 : x
  2. Step 2: Convert to fraction form
    317,663.31/438,381.63 = 174,422.10/x
  3. Step 3: Cross multiply
    317,663.31x = 438,381.63 × 174,422.10
  4. Step 4: Simplify right side
    317,663.31x = 76,463,444,506.02
  5. Step 5: Solve for x
    x = 76,463,444,506.02/317,663.31
  6. Step 6: Final answer
    x = 240,705.94

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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.