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Finding the Fourth Proportional to 369,648.34, 554,492.69 and 116,909.96

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Solution

The fourth proportional to 369,648.34, 554,492.69 and 116,909.96 is: 175,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,648.34 : 554,492.69 = 116,909.96 : x
  2. Step 2: Convert to fraction form
    369,648.34/554,492.69 = 116,909.96/x
  3. Step 3: Cross multiply
    369,648.34x = 554,492.69 × 116,909.96
  4. Step 4: Simplify right side
    369,648.34x = 64,825,720,579.81
  5. Step 5: Solve for x
    x = 64,825,720,579.81/369,648.34
  6. Step 6: Final answer
    x = 175,371.33

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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.