Home / 291,356.07-402,042.39-214,916.46

Finding the Fourth Proportional to 291,356.07, 402,042.39 and 214,916.46

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Solution

The fourth proportional to 291,356.07, 402,042.39 and 214,916.46 is: 296,563.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,356.07 : 402,042.39 = 214,916.46 : x
  2. Step 2: Convert to fraction form
    291,356.07/402,042.39 = 214,916.46/x
  3. Step 3: Cross multiply
    291,356.07x = 402,042.39 × 214,916.46
  4. Step 4: Simplify right side
    291,356.07x = 86,405,527,228.74
  5. Step 5: Solve for x
    x = 86,405,527,228.74/291,356.07
  6. Step 6: Final answer
    x = 296,563.33

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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.