Home / 369,191.24-509,484.14-199,425.40

Finding the Fourth Proportional to 369,191.24, 509,484.14 and 199,425.40

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Solution

The fourth proportional to 369,191.24, 509,484.14 and 199,425.40 is: 275,207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,191.24 : 509,484.14 = 199,425.40 : x
  2. Step 2: Convert to fraction form
    369,191.24/509,484.14 = 199,425.40/x
  3. Step 3: Cross multiply
    369,191.24x = 509,484.14 × 199,425.40
  4. Step 4: Simplify right side
    369,191.24x = 101,604,078,413.16
  5. Step 5: Solve for x
    x = 101,604,078,413.16/369,191.24
  6. Step 6: Final answer
    x = 275,207.18

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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.