Home / 314,976.49-472,686.14-284,861.50

Finding the Fourth Proportional to 314,976.49, 472,686.14 and 284,861.50

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Solution

The fourth proportional to 314,976.49, 472,686.14 and 284,861.50 is: 427,492.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,976.49 : 472,686.14 = 284,861.50 : x
  2. Step 2: Convert to fraction form
    314,976.49/472,686.14 = 284,861.50/x
  3. Step 3: Cross multiply
    314,976.49x = 472,686.14 × 284,861.50
  4. Step 4: Simplify right side
    314,976.49x = 134,650,084,051.33
  5. Step 5: Solve for x
    x = 134,650,084,051.33/314,976.49
  6. Step 6: Final answer
    x = 427,492.49

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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.