Home / 401,221.70-602,065.83-164,734.10

Finding the Fourth Proportional to 401,221.70, 602,065.83 and 164,734.10

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Solution

The fourth proportional to 401,221.70, 602,065.83 and 164,734.10 is: 247,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,221.70 : 602,065.83 = 164,734.10 : x
  2. Step 2: Convert to fraction form
    401,221.70/602,065.83 = 164,734.10/x
  3. Step 3: Cross multiply
    401,221.70x = 602,065.83 × 164,734.10
  4. Step 4: Simplify right side
    401,221.70x = 99,180,772,645.80
  5. Step 5: Solve for x
    x = 99,180,772,645.80/401,221.70
  6. Step 6: Final answer
    x = 247,196.93

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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.