Home / 358,749.48-495,077.76-197,605.20

Finding the Fourth Proportional to 358,749.48, 495,077.76 and 197,605.20

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Solution

The fourth proportional to 358,749.48, 495,077.76 and 197,605.20 is: 272,697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,749.48 : 495,077.76 = 197,605.20 : x
  2. Step 2: Convert to fraction form
    358,749.48/495,077.76 = 197,605.20/x
  3. Step 3: Cross multiply
    358,749.48x = 495,077.76 × 197,605.20
  4. Step 4: Simplify right side
    358,749.48x = 97,829,939,780.35
  5. Step 5: Solve for x
    x = 97,829,939,780.35/358,749.48
  6. Step 6: Final answer
    x = 272,697.09

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1.5x scale

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.