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Finding the Fourth Proportional to 349,802.64, 482,683.32 and 198,902.88

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Solution

The fourth proportional to 349,802.64, 482,683.32 and 198,902.88 is: 274,460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,802.64 : 482,683.32 = 198,902.88 : x
  2. Step 2: Convert to fraction form
    349,802.64/482,683.32 = 198,902.88/x
  3. Step 3: Cross multiply
    349,802.64x = 482,683.32 × 198,902.88
  4. Step 4: Simplify right side
    349,802.64x = 96,007,102,475.96
  5. Step 5: Solve for x
    x = 96,007,102,475.96/349,802.64
  6. Step 6: Final answer
    x = 274,460.77

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1.5x scale

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.