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Finding the Fourth Proportional to 367,329.60, 550,216.80 and 288,014.40

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Solution

The fourth proportional to 367,329.60, 550,216.80 and 288,014.40 is: 431,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,329.60 : 550,216.80 = 288,014.40 : x
  2. Step 2: Convert to fraction form
    367,329.60/550,216.80 = 288,014.40/x
  3. Step 3: Cross multiply
    367,329.60x = 550,216.80 × 288,014.40
  4. Step 4: Simplify right side
    367,329.60x = 158,470,361,521.92
  5. Step 5: Solve for x
    x = 158,470,361,521.92/367,329.60
  6. Step 6: Final answer
    x = 431,411.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.