Home / 209,813.80-314,720.70-181,273.45

Finding the Fourth Proportional to 209,813.80, 314,720.70 and 181,273.45

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Solution

The fourth proportional to 209,813.80, 314,720.70 and 181,273.45 is: 271,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,813.80 : 314,720.70 = 181,273.45 : x
  2. Step 2: Convert to fraction form
    209,813.80/314,720.70 = 181,273.45/x
  3. Step 3: Cross multiply
    209,813.80x = 314,720.70 × 181,273.45
  4. Step 4: Simplify right side
    209,813.80x = 57,050,507,075.42
  5. Step 5: Solve for x
    x = 57,050,507,075.42/209,813.80
  6. Step 6: Final answer
    x = 271,910.18

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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.