Home / 208,476.78-312,715.17-50,705.34

Finding the Fourth Proportional to 208,476.78, 312,715.17 and 50,705.34

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Solution

The fourth proportional to 208,476.78, 312,715.17 and 50,705.34 is: 76,058.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,476.78 : 312,715.17 = 50,705.34 : x
  2. Step 2: Convert to fraction form
    208,476.78/312,715.17 = 50,705.34/x
  3. Step 3: Cross multiply
    208,476.78x = 312,715.17 × 50,705.34
  4. Step 4: Simplify right side
    208,476.78x = 15,856,329,018.01
  5. Step 5: Solve for x
    x = 15,856,329,018.01/208,476.78
  6. Step 6: Final answer
    x = 76,058.01

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1.5x scale

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.