Home / 335,124.04-462,128.34-221,905.48

Finding the Fourth Proportional to 335,124.04, 462,128.34 and 221,905.48

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Solution

The fourth proportional to 335,124.04, 462,128.34 and 221,905.48 is: 306,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,124.04 : 462,128.34 = 221,905.48 : x
  2. Step 2: Convert to fraction form
    335,124.04/462,128.34 = 221,905.48/x
  3. Step 3: Cross multiply
    335,124.04x = 462,128.34 × 221,905.48
  4. Step 4: Simplify right side
    335,124.04x = 102,548,811,109.30
  5. Step 5: Solve for x
    x = 102,548,811,109.30/335,124.04
  6. Step 6: Final answer
    x = 306,002.55

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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.