Home / 380,604.43-525,266.13-210,854.35

Finding the Fourth Proportional to 380,604.43, 525,266.13 and 210,854.35

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Solution

The fourth proportional to 380,604.43, 525,266.13 and 210,854.35 is: 290,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,604.43 : 525,266.13 = 210,854.35 : x
  2. Step 2: Convert to fraction form
    380,604.43/525,266.13 = 210,854.35/x
  3. Step 3: Cross multiply
    380,604.43x = 525,266.13 × 210,854.35
  4. Step 4: Simplify right side
    380,604.43x = 110,754,648,418.17
  5. Step 5: Solve for x
    x = 110,754,648,418.17/380,604.43
  6. Step 6: Final answer
    x = 290,996.74

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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.