Home / 434,456.04-651,786.06-134,921.16

Finding the Fourth Proportional to 434,456.04, 651,786.06 and 134,921.16

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Solution

The fourth proportional to 434,456.04, 651,786.06 and 134,921.16 is: 202,413.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,456.04 : 651,786.06 = 134,921.16 : x
  2. Step 2: Convert to fraction form
    434,456.04/651,786.06 = 134,921.16/x
  3. Step 3: Cross multiply
    434,456.04x = 651,786.06 × 134,921.16
  4. Step 4: Simplify right side
    434,456.04x = 87,939,731,287.03
  5. Step 5: Solve for x
    x = 87,939,731,287.03/434,456.04
  6. Step 6: Final answer
    x = 202,413.42

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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.