Home / 309,184.10-426,577.21-173,199.68

Finding the Fourth Proportional to 309,184.10, 426,577.21 and 173,199.68

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Solution

The fourth proportional to 309,184.10, 426,577.21 and 173,199.68 is: 238,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,184.10 : 426,577.21 = 173,199.68 : x
  2. Step 2: Convert to fraction form
    309,184.10/426,577.21 = 173,199.68/x
  3. Step 3: Cross multiply
    309,184.10x = 426,577.21 × 173,199.68
  4. Step 4: Simplify right side
    309,184.10x = 73,883,033,701.41
  5. Step 5: Solve for x
    x = 73,883,033,701.41/309,184.10
  6. Step 6: Final answer
    x = 238,961.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.