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Finding the Fourth Proportional to 246,413.90, 369,534.45 and 128,045.90

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Solution

The fourth proportional to 246,413.90, 369,534.45 and 128,045.90 is: 192,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,413.90 : 369,534.45 = 128,045.90 : x
  2. Step 2: Convert to fraction form
    246,413.90/369,534.45 = 128,045.90/x
  3. Step 3: Cross multiply
    246,413.90x = 369,534.45 × 128,045.90
  4. Step 4: Simplify right side
    246,413.90x = 47,317,371,231.26
  5. Step 5: Solve for x
    x = 47,317,371,231.26/246,413.90
  6. Step 6: Final answer
    x = 192,023.95

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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.