Home / 358,943.40-495,340.87-197,798.41

Finding the Fourth Proportional to 358,943.40, 495,340.87 and 197,798.41

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Solution

The fourth proportional to 358,943.40, 495,340.87 and 197,798.41 is: 272,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,943.40 : 495,340.87 = 197,798.41 : x
  2. Step 2: Convert to fraction form
    358,943.40/495,340.87 = 197,798.41/x
  3. Step 3: Cross multiply
    358,943.40x = 495,340.87 × 197,798.41
  4. Step 4: Simplify right side
    358,943.40x = 97,977,634,203.28
  5. Step 5: Solve for x
    x = 97,977,634,203.28/358,943.40
  6. Step 6: Final answer
    x = 272,961.24

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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.