Home / 615,423.39-923,208.79-188,903.35

Finding the Fourth Proportional to 615,423.39, 923,208.79 and 188,903.35

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Solution

The fourth proportional to 615,423.39, 923,208.79 and 188,903.35 is: 283,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,423.39 : 923,208.79 = 188,903.35 : x
  2. Step 2: Convert to fraction form
    615,423.39/923,208.79 = 188,903.35/x
  3. Step 3: Cross multiply
    615,423.39x = 923,208.79 × 188,903.35
  4. Step 4: Simplify right side
    615,423.39x = 174,397,233,180.45
  5. Step 5: Solve for x
    x = 174,397,233,180.45/615,423.39
  6. Step 6: Final answer
    x = 283,377.65

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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.