Home / 318,464.60-439,470.24-175,223.48

Finding the Fourth Proportional to 318,464.60, 439,470.24 and 175,223.48

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Solution

The fourth proportional to 318,464.60, 439,470.24 and 175,223.48 is: 241,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,464.60 : 439,470.24 = 175,223.48 : x
  2. Step 2: Convert to fraction form
    318,464.60/439,470.24 = 175,223.48/x
  3. Step 3: Cross multiply
    318,464.60x = 439,470.24 × 175,223.48
  4. Step 4: Simplify right side
    318,464.60x = 77,005,504,809.24
  5. Step 5: Solve for x
    x = 77,005,504,809.24/318,464.60
  6. Step 6: Final answer
    x = 241,802.40

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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.