Home / 456,786.60-685,277.10-141,275.40

Finding the Fourth Proportional to 456,786.60, 685,277.10 and 141,275.40

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Solution

The fourth proportional to 456,786.60, 685,277.10 and 141,275.40 is: 211,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,786.60 : 685,277.10 = 141,275.40 : x
  2. Step 2: Convert to fraction form
    456,786.60/685,277.10 = 141,275.40/x
  3. Step 3: Cross multiply
    456,786.60x = 685,277.10 × 141,275.40
  4. Step 4: Simplify right side
    456,786.60x = 96,812,796,413.34
  5. Step 5: Solve for x
    x = 96,812,796,413.34/456,786.60
  6. Step 6: Final answer
    x = 211,943.16

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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.