Home / 385,378.22-578,025.75-101,097.25

Finding the Fourth Proportional to 385,378.22, 578,025.75 and 101,097.25

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Solution

The fourth proportional to 385,378.22, 578,025.75 and 101,097.25 is: 151,634.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,378.22 : 578,025.75 = 101,097.25 : x
  2. Step 2: Convert to fraction form
    385,378.22/578,025.75 = 101,097.25/x
  3. Step 3: Cross multiply
    385,378.22x = 578,025.75 × 101,097.25
  4. Step 4: Simplify right side
    385,378.22x = 58,436,812,688.24
  5. Step 5: Solve for x
    x = 58,436,812,688.24/385,378.22
  6. Step 6: Final answer
    x = 151,634.96

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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.