Home / 345,513.41-476,787.52-190,457.90

Finding the Fourth Proportional to 345,513.41, 476,787.52 and 190,457.90

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Solution

The fourth proportional to 345,513.41, 476,787.52 and 190,457.90 is: 262,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,513.41 : 476,787.52 = 190,457.90 : x
  2. Step 2: Convert to fraction form
    345,513.41/476,787.52 = 190,457.90/x
  3. Step 3: Cross multiply
    345,513.41x = 476,787.52 × 190,457.90
  4. Step 4: Simplify right side
    345,513.41x = 90,807,949,805.41
  5. Step 5: Solve for x
    x = 90,807,949,805.41/345,513.41
  6. Step 6: Final answer
    x = 262,820.33

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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.