Home / 366,031.40-505,128.49-210,896.96

Finding the Fourth Proportional to 366,031.40, 505,128.49 and 210,896.96

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Solution

The fourth proportional to 366,031.40, 505,128.49 and 210,896.96 is: 291,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,031.40 : 505,128.49 = 210,896.96 : x
  2. Step 2: Convert to fraction form
    366,031.40/505,128.49 = 210,896.96/x
  3. Step 3: Cross multiply
    366,031.40x = 505,128.49 × 210,896.96
  4. Step 4: Simplify right side
    366,031.40x = 106,530,059,897.51
  5. Step 5: Solve for x
    x = 106,530,059,897.51/366,031.40
  6. Step 6: Final answer
    x = 291,040.77

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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.