Home / 386,145.10-532,880.40-235,242.10

Finding the Fourth Proportional to 386,145.10, 532,880.40 and 235,242.10

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Solution

The fourth proportional to 386,145.10, 532,880.40 and 235,242.10 is: 324,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,145.10 : 532,880.40 = 235,242.10 : x
  2. Step 2: Convert to fraction form
    386,145.10/532,880.40 = 235,242.10/x
  3. Step 3: Cross multiply
    386,145.10x = 532,880.40 × 235,242.10
  4. Step 4: Simplify right side
    386,145.10x = 125,355,904,344.84
  5. Step 5: Solve for x
    x = 125,355,904,344.84/386,145.10
  6. Step 6: Final answer
    x = 324,634.20

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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.