Home / 305,664.10-421,808.24-183,225.64

Finding the Fourth Proportional to 305,664.10, 421,808.24 and 183,225.64

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Solution

The fourth proportional to 305,664.10, 421,808.24 and 183,225.64 is: 252,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,664.10 : 421,808.24 = 183,225.64 : x
  2. Step 2: Convert to fraction form
    305,664.10/421,808.24 = 183,225.64/x
  3. Step 3: Cross multiply
    305,664.10x = 421,808.24 × 183,225.64
  4. Step 4: Simplify right side
    305,664.10x = 77,286,084,731.27
  5. Step 5: Solve for x
    x = 77,286,084,731.27/305,664.10
  6. Step 6: Final answer
    x = 252,846.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.