Home / 438,021.18-604,433.03-247,081.50

Finding the Fourth Proportional to 438,021.18, 604,433.03 and 247,081.50

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Solution

The fourth proportional to 438,021.18, 604,433.03 and 247,081.50 is: 340,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,021.18 : 604,433.03 = 247,081.50 : x
  2. Step 2: Convert to fraction form
    438,021.18/604,433.03 = 247,081.50/x
  3. Step 3: Cross multiply
    438,021.18x = 604,433.03 × 247,081.50
  4. Step 4: Simplify right side
    438,021.18x = 149,344,218,466.54
  5. Step 5: Solve for x
    x = 149,344,218,466.54/438,021.18
  6. Step 6: Final answer
    x = 340,952.05

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1.5x scale

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.