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Finding the Fourth Proportional to 389,953.17, 584,950.61 and 109,492.29

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Solution

The fourth proportional to 389,953.17, 584,950.61 and 109,492.29 is: 164,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,953.17 : 584,950.61 = 109,492.29 : x
  2. Step 2: Convert to fraction form
    389,953.17/584,950.61 = 109,492.29/x
  3. Step 3: Cross multiply
    389,953.17x = 584,950.61 × 109,492.29
  4. Step 4: Simplify right side
    389,953.17x = 64,047,582,099.53
  5. Step 5: Solve for x
    x = 64,047,582,099.53/389,953.17
  6. Step 6: Final answer
    x = 164,244.29

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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.