Home / 648,298.23-972,412.18-199,019.17

Finding the Fourth Proportional to 648,298.23, 972,412.18 and 199,019.17

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Solution

The fourth proportional to 648,298.23, 972,412.18 and 199,019.17 is: 298,517.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,298.23 : 972,412.18 = 199,019.17 : x
  2. Step 2: Convert to fraction form
    648,298.23/972,412.18 = 199,019.17/x
  3. Step 3: Cross multiply
    648,298.23x = 972,412.18 × 199,019.17
  4. Step 4: Simplify right side
    648,298.23x = 193,528,664,961.49
  5. Step 5: Solve for x
    x = 193,528,664,961.49/648,298.23
  6. Step 6: Final answer
    x = 298,517.96

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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.