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Finding the Fourth Proportional to 615,448.45, 923,585.07 and 216,090.49

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Solution

The fourth proportional to 615,448.45, 923,585.07 and 216,090.49 is: 324,280.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,448.45 : 923,585.07 = 216,090.49 : x
  2. Step 2: Convert to fraction form
    615,448.45/923,585.07 = 216,090.49/x
  3. Step 3: Cross multiply
    615,448.45x = 923,585.07 × 216,090.49
  4. Step 4: Simplify right side
    615,448.45x = 199,577,950,332.98
  5. Step 5: Solve for x
    x = 199,577,950,332.98/615,448.45
  6. Step 6: Final answer
    x = 324,280.53

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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.