Home / 355,235.04-490,224.06-202,265.46

Finding the Fourth Proportional to 355,235.04, 490,224.06 and 202,265.46

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Solution

The fourth proportional to 355,235.04, 490,224.06 and 202,265.46 is: 279,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,235.04 : 490,224.06 = 202,265.46 : x
  2. Step 2: Convert to fraction form
    355,235.04/490,224.06 = 202,265.46/x
  3. Step 3: Cross multiply
    355,235.04x = 490,224.06 × 202,265.46
  4. Step 4: Simplify right side
    355,235.04x = 99,155,394,998.97
  5. Step 5: Solve for x
    x = 99,155,394,998.97/355,235.04
  6. Step 6: Final answer
    x = 279,126.17

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1.5x scale

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.