Home / 317,728.96-438,464.82-174,498.28

Finding the Fourth Proportional to 317,728.96, 438,464.82 and 174,498.28

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Solution

The fourth proportional to 317,728.96, 438,464.82 and 174,498.28 is: 240,807.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,728.96 : 438,464.82 = 174,498.28 : x
  2. Step 2: Convert to fraction form
    317,728.96/438,464.82 = 174,498.28/x
  3. Step 3: Cross multiply
    317,728.96x = 438,464.82 × 174,498.28
  4. Step 4: Simplify right side
    317,728.96x = 76,511,356,930.51
  5. Step 5: Solve for x
    x = 76,511,356,930.51/317,728.96
  6. Step 6: Final answer
    x = 240,807.00

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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.