Home / 209,811.80-314,717.70-181,271.45

Finding the Fourth Proportional to 209,811.80, 314,717.70 and 181,271.45

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Solution

The fourth proportional to 209,811.80, 314,717.70 and 181,271.45 is: 271,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,811.80 : 314,717.70 = 181,271.45 : x
  2. Step 2: Convert to fraction form
    209,811.80/314,717.70 = 181,271.45/x
  3. Step 3: Cross multiply
    209,811.80x = 314,717.70 × 181,271.45
  4. Step 4: Simplify right side
    209,811.80x = 57,049,333,819.67
  5. Step 5: Solve for x
    x = 57,049,333,819.67/209,811.80
  6. Step 6: Final answer
    x = 271,907.18

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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.