Home / 388,881.43-583,955-240,067.69

Finding the Fourth Proportional to 388,881.43, 583,955 and 240,067.69

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Solution

The fourth proportional to 388,881.43, 583,955 and 240,067.69 is: 360,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,881.43 : 583,955 = 240,067.69 : x
  2. Step 2: Convert to fraction form
    388,881.43/583,955 = 240,067.69/x
  3. Step 3: Cross multiply
    388,881.43x = 583,955 × 240,067.69
  4. Step 4: Simplify right side
    388,881.43x = 140,188,727,913.95
  5. Step 5: Solve for x
    x = 140,188,727,913.95/388,881.43
  6. Step 6: Final answer
    x = 360,492.21

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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.