Home / 314,895.96-472,170.60-215,168.76

Finding the Fourth Proportional to 314,895.96, 472,170.60 and 215,168.76

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Solution

The fourth proportional to 314,895.96, 472,170.60 and 215,168.76 is: 322,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,895.96 : 472,170.60 = 215,168.76 : x
  2. Step 2: Convert to fraction form
    314,895.96/472,170.60 = 215,168.76/x
  3. Step 3: Cross multiply
    314,895.96x = 472,170.60 × 215,168.76
  4. Step 4: Simplify right side
    314,895.96x = 101,596,362,510.46
  5. Step 5: Solve for x
    x = 101,596,362,510.46/314,895.96
  6. Step 6: Final answer
    x = 322,634.70

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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.