Home / 317,623.08-438,320.64-174,392.34

Finding the Fourth Proportional to 317,623.08, 438,320.64 and 174,392.34

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Solution

The fourth proportional to 317,623.08, 438,320.64 and 174,392.34 is: 240,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,623.08 : 438,320.64 = 174,392.34 : x
  2. Step 2: Convert to fraction form
    317,623.08/438,320.64 = 174,392.34/x
  3. Step 3: Cross multiply
    317,623.08x = 438,320.64 × 174,392.34
  4. Step 4: Simplify right side
    317,623.08x = 76,439,762,079.90
  5. Step 5: Solve for x
    x = 76,439,762,079.90/317,623.08
  6. Step 6: Final answer
    x = 240,661.86

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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.