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Finding the Fourth Proportional to 384,401.08, 576,602.70 and 226,412.20

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Solution

The fourth proportional to 384,401.08, 576,602.70 and 226,412.20 is: 339,618.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,401.08 : 576,602.70 = 226,412.20 : x
  2. Step 2: Convert to fraction form
    384,401.08/576,602.70 = 226,412.20/x
  3. Step 3: Cross multiply
    384,401.08x = 576,602.70 × 226,412.20
  4. Step 4: Simplify right side
    384,401.08x = 130,549,885,832.94
  5. Step 5: Solve for x
    x = 130,549,885,832.94/384,401.08
  6. Step 6: Final answer
    x = 339,618.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.