Home / 209,869.40-314,804.10-165,632.60

Finding the Fourth Proportional to 209,869.40, 314,804.10 and 165,632.60

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Solution

The fourth proportional to 209,869.40, 314,804.10 and 165,632.60 is: 248,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,869.40 : 314,804.10 = 165,632.60 : x
  2. Step 2: Convert to fraction form
    209,869.40/314,804.10 = 165,632.60/x
  3. Step 3: Cross multiply
    209,869.40x = 314,804.10 × 165,632.60
  4. Step 4: Simplify right side
    209,869.40x = 52,141,821,573.66
  5. Step 5: Solve for x
    x = 52,141,821,573.66/209,869.40
  6. Step 6: Final answer
    x = 248,448.90

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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.