Home / 446,259.82-669,376.61-126,411.07

Finding the Fourth Proportional to 446,259.82, 669,376.61 and 126,411.07

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Solution

The fourth proportional to 446,259.82, 669,376.61 and 126,411.07 is: 189,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,259.82 : 669,376.61 = 126,411.07 : x
  2. Step 2: Convert to fraction form
    446,259.82/669,376.61 = 126,411.07/x
  3. Step 3: Cross multiply
    446,259.82x = 669,376.61 × 126,411.07
  4. Step 4: Simplify right side
    446,259.82x = 84,616,611,985.39
  5. Step 5: Solve for x
    x = 84,616,611,985.39/446,259.82
  6. Step 6: Final answer
    x = 189,612.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.