Home / 358,726.86-495,043.65-197,582.22

Finding the Fourth Proportional to 358,726.86, 495,043.65 and 197,582.22

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Solution

The fourth proportional to 358,726.86, 495,043.65 and 197,582.22 is: 272,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,726.86 : 495,043.65 = 197,582.22 : x
  2. Step 2: Convert to fraction form
    358,726.86/495,043.65 = 197,582.22/x
  3. Step 3: Cross multiply
    358,726.86x = 495,043.65 × 197,582.22
  4. Step 4: Simplify right side
    358,726.86x = 97,811,823,363.90
  5. Step 5: Solve for x
    x = 97,811,823,363.90/358,726.86
  6. Step 6: Final answer
    x = 272,663.78

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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.