Home / 379,655.30-524,056.24-218,574.54

Finding the Fourth Proportional to 379,655.30, 524,056.24 and 218,574.54

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Solution

The fourth proportional to 379,655.30, 524,056.24 and 218,574.54 is: 301,708.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,655.30 : 524,056.24 = 218,574.54 : x
  2. Step 2: Convert to fraction form
    379,655.30/524,056.24 = 218,574.54/x
  3. Step 3: Cross multiply
    379,655.30x = 524,056.24 × 218,574.54
  4. Step 4: Simplify right side
    379,655.30x = 114,545,351,592.13
  5. Step 5: Solve for x
    x = 114,545,351,592.13/379,655.30
  6. Step 6: Final answer
    x = 301,708.82

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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.