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Finding the Fourth Proportional to 373,154.64, 514,967.28 and 212,037

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Solution

The fourth proportional to 373,154.64, 514,967.28 and 212,037 is: 292,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,154.64 : 514,967.28 = 212,037 : x
  2. Step 2: Convert to fraction form
    373,154.64/514,967.28 = 212,037/x
  3. Step 3: Cross multiply
    373,154.64x = 514,967.28 × 212,037
  4. Step 4: Simplify right side
    373,154.64x = 109,192,117,149.36
  5. Step 5: Solve for x
    x = 109,192,117,149.36/373,154.64
  6. Step 6: Final answer
    x = 292,618.95

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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.