Home / 358,774.36-495,130.02-205,811.56

Finding the Fourth Proportional to 358,774.36, 495,130.02 and 205,811.56

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Solution

The fourth proportional to 358,774.36, 495,130.02 and 205,811.56 is: 284,032.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,774.36 : 495,130.02 = 205,811.56 : x
  2. Step 2: Convert to fraction form
    358,774.36/495,130.02 = 205,811.56/x
  3. Step 3: Cross multiply
    358,774.36x = 495,130.02 × 205,811.56
  4. Step 4: Simplify right side
    358,774.36x = 101,903,481,819.03
  5. Step 5: Solve for x
    x = 101,903,481,819.03/358,774.36
  6. Step 6: Final answer
    x = 284,032.23

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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.