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Finding the Fourth Proportional to 343,435.51, 473,529.14 and 222,532.68

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Solution

The fourth proportional to 343,435.51, 473,529.14 and 222,532.68 is: 306,828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,435.51 : 473,529.14 = 222,532.68 : x
  2. Step 2: Convert to fraction form
    343,435.51/473,529.14 = 222,532.68/x
  3. Step 3: Cross multiply
    343,435.51x = 473,529.14 × 222,532.68
  4. Step 4: Simplify right side
    343,435.51x = 105,375,710,079.86
  5. Step 5: Solve for x
    x = 105,375,710,079.86/343,435.51
  6. Step 6: Final answer
    x = 306,828.23

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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.