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Finding the Fourth Proportional to 436,401.56, 602,237.76 and 245,413.28

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Solution

The fourth proportional to 436,401.56, 602,237.76 and 245,413.28 is: 338,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,401.56 : 602,237.76 = 245,413.28 : x
  2. Step 2: Convert to fraction form
    436,401.56/602,237.76 = 245,413.28/x
  3. Step 3: Cross multiply
    436,401.56x = 602,237.76 × 245,413.28
  4. Step 4: Simplify right side
    436,401.56x = 147,797,144,021.45
  5. Step 5: Solve for x
    x = 147,797,144,021.45/436,401.56
  6. Step 6: Final answer
    x = 338,672.35

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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.