Home / 209,482.75-314,273.32-69,241.36

Finding the Fourth Proportional to 209,482.75, 314,273.32 and 69,241.36

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Solution

The fourth proportional to 209,482.75, 314,273.32 and 69,241.36 is: 103,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,482.75 : 314,273.32 = 69,241.36 : x
  2. Step 2: Convert to fraction form
    209,482.75/314,273.32 = 69,241.36/x
  3. Step 3: Cross multiply
    209,482.75x = 314,273.32 × 69,241.36
  4. Step 4: Simplify right side
    209,482.75x = 21,760,712,088.52
  5. Step 5: Solve for x
    x = 21,760,712,088.52/209,482.75
  6. Step 6: Final answer
    x = 103,878.30

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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.