Home / 388,930.06-583,413.56-189,012.29

Finding the Fourth Proportional to 388,930.06, 583,413.56 and 189,012.29

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Solution

The fourth proportional to 388,930.06, 583,413.56 and 189,012.29 is: 283,527.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,930.06 : 583,413.56 = 189,012.29 : x
  2. Step 2: Convert to fraction form
    388,930.06/583,413.56 = 189,012.29/x
  3. Step 3: Cross multiply
    388,930.06x = 583,413.56 × 189,012.29
  4. Step 4: Simplify right side
    388,930.06x = 110,272,330,075.59
  5. Step 5: Solve for x
    x = 110,272,330,075.59/388,930.06
  6. Step 6: Final answer
    x = 283,527.41

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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.