Home / 206,264.07-309,396.36-56,505.67

Finding the Fourth Proportional to 206,264.07, 309,396.36 and 56,505.67

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Solution

The fourth proportional to 206,264.07, 309,396.36 and 56,505.67 is: 84,758.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,264.07 : 309,396.36 = 56,505.67 : x
  2. Step 2: Convert to fraction form
    206,264.07/309,396.36 = 56,505.67/x
  3. Step 3: Cross multiply
    206,264.07x = 309,396.36 × 56,505.67
  4. Step 4: Simplify right side
    206,264.07x = 17,482,648,055.77
  5. Step 5: Solve for x
    x = 17,482,648,055.77/206,264.07
  6. Step 6: Final answer
    x = 84,758.57

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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.