Home / 317,664.15-438,383.59-174,424.76

Finding the Fourth Proportional to 317,664.15, 438,383.59 and 174,424.76

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Solution

The fourth proportional to 317,664.15, 438,383.59 and 174,424.76 is: 240,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,664.15 : 438,383.59 = 174,424.76 : x
  2. Step 2: Convert to fraction form
    317,664.15/438,383.59 = 174,424.76/x
  3. Step 3: Cross multiply
    317,664.15x = 438,383.59 × 174,424.76
  4. Step 4: Simplify right side
    317,664.15x = 76,464,952,470.79
  5. Step 5: Solve for x
    x = 76,464,952,470.79/317,664.15
  6. Step 6: Final answer
    x = 240,710.05

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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.