Home / 345,194.40-476,122.88-230,415.18

Finding the Fourth Proportional to 345,194.40, 476,122.88 and 230,415.18

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Solution

The fourth proportional to 345,194.40, 476,122.88 and 230,415.18 is: 317,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,194.40 : 476,122.88 = 230,415.18 : x
  2. Step 2: Convert to fraction form
    345,194.40/476,122.88 = 230,415.18/x
  3. Step 3: Cross multiply
    345,194.40x = 476,122.88 × 230,415.18
  4. Step 4: Simplify right side
    345,194.40x = 109,705,939,097.32
  5. Step 5: Solve for x
    x = 109,705,939,097.32/345,194.40
  6. Step 6: Final answer
    x = 317,809.15

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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.