Home / 279,038.26-384,389.43-202,331.93

Finding the Fourth Proportional to 279,038.26, 384,389.43 and 202,331.93

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Solution

The fourth proportional to 279,038.26, 384,389.43 and 202,331.93 is: 278,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,038.26 : 384,389.43 = 202,331.93 : x
  2. Step 2: Convert to fraction form
    279,038.26/384,389.43 = 202,331.93/x
  3. Step 3: Cross multiply
    279,038.26x = 384,389.43 × 202,331.93
  4. Step 4: Simplify right side
    279,038.26x = 77,774,255,243.50
  5. Step 5: Solve for x
    x = 77,774,255,243.50/279,038.26
  6. Step 6: Final answer
    x = 278,722.55

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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.