Home / 206,380.98-309,572.01-56,623.32

Finding the Fourth Proportional to 206,380.98, 309,572.01 and 56,623.32

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Solution

The fourth proportional to 206,380.98, 309,572.01 and 56,623.32 is: 84,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,380.98 : 309,572.01 = 56,623.32 : x
  2. Step 2: Convert to fraction form
    206,380.98/309,572.01 = 56,623.32/x
  3. Step 3: Cross multiply
    206,380.98x = 309,572.01 × 56,623.32
  4. Step 4: Simplify right side
    206,380.98x = 17,528,994,985.27
  5. Step 5: Solve for x
    x = 17,528,994,985.27/206,380.98
  6. Step 6: Final answer
    x = 84,935.13

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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.