Home / 388,924.50-583,485.18-108,441.75

Finding the Fourth Proportional to 388,924.50, 583,485.18 and 108,441.75

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Solution

The fourth proportional to 388,924.50, 583,485.18 and 108,441.75 is: 162,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,924.50 : 583,485.18 = 108,441.75 : x
  2. Step 2: Convert to fraction form
    388,924.50/583,485.18 = 108,441.75/x
  3. Step 3: Cross multiply
    388,924.50x = 583,485.18 × 108,441.75
  4. Step 4: Simplify right side
    388,924.50x = 63,274,154,018.27
  5. Step 5: Solve for x
    x = 63,274,154,018.27/388,924.50
  6. Step 6: Final answer
    x = 162,690.07

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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.