Home / 351,972.04-528,032.70-115,297

Finding the Fourth Proportional to 351,972.04, 528,032.70 and 115,297

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Solution

The fourth proportional to 351,972.04, 528,032.70 and 115,297 is: 172,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,972.04 : 528,032.70 = 115,297 : x
  2. Step 2: Convert to fraction form
    351,972.04/528,032.70 = 115,297/x
  3. Step 3: Cross multiply
    351,972.04x = 528,032.70 × 115,297
  4. Step 4: Simplify right side
    351,972.04x = 60,880,586,211.90
  5. Step 5: Solve for x
    x = 60,880,586,211.90/351,972.04
  6. Step 6: Final answer
    x = 172,969.95

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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.