Home / 348,212.08-480,803.94-267,511.72

Finding the Fourth Proportional to 348,212.08, 480,803.94 and 267,511.72

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Solution

The fourth proportional to 348,212.08, 480,803.94 and 267,511.72 is: 369,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,212.08 : 480,803.94 = 267,511.72 : x
  2. Step 2: Convert to fraction form
    348,212.08/480,803.94 = 267,511.72/x
  3. Step 3: Cross multiply
    348,212.08x = 480,803.94 × 267,511.72
  4. Step 4: Simplify right side
    348,212.08x = 128,620,688,972.18
  5. Step 5: Solve for x
    x = 128,620,688,972.18/348,212.08
  6. Step 6: Final answer
    x = 369,374.57

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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.