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Finding the Fourth Proportional to 334,492.20, 501,803.10 and 144,952.20

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Solution

The fourth proportional to 334,492.20, 501,803.10 and 144,952.20 is: 217,456.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,492.20 : 501,803.10 = 144,952.20 : x
  2. Step 2: Convert to fraction form
    334,492.20/501,803.10 = 144,952.20/x
  3. Step 3: Cross multiply
    334,492.20x = 501,803.10 × 144,952.20
  4. Step 4: Simplify right side
    334,492.20x = 72,737,463,311.82
  5. Step 5: Solve for x
    x = 72,737,463,311.82/334,492.20
  6. Step 6: Final answer
    x = 217,456.38

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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.