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Finding the Fourth Proportional to 358,627.95, 494,910 and 197,488.71

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Solution

The fourth proportional to 358,627.95, 494,910 and 197,488.71 is: 272,536.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,627.95 : 494,910 = 197,488.71 : x
  2. Step 2: Convert to fraction form
    358,627.95/494,910 = 197,488.71/x
  3. Step 3: Cross multiply
    358,627.95x = 494,910 × 197,488.71
  4. Step 4: Simplify right side
    358,627.95x = 97,739,137,466.10
  5. Step 5: Solve for x
    x = 97,739,137,466.10/358,627.95
  6. Step 6: Final answer
    x = 272,536.31

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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.