Home / 646,172.19-969,701.16-225,448.08

Finding the Fourth Proportional to 646,172.19, 969,701.16 and 225,448.08

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Solution

The fourth proportional to 646,172.19, 969,701.16 and 225,448.08 is: 338,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,172.19 : 969,701.16 = 225,448.08 : x
  2. Step 2: Convert to fraction form
    646,172.19/969,701.16 = 225,448.08/x
  3. Step 3: Cross multiply
    646,172.19x = 969,701.16 × 225,448.08
  4. Step 4: Simplify right side
    646,172.19x = 218,617,264,695.77
  5. Step 5: Solve for x
    x = 218,617,264,695.77/646,172.19
  6. Step 6: Final answer
    x = 338,326.64

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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.