Home / 351,269.89-484,764.18-215,277.58

Finding the Fourth Proportional to 351,269.89, 484,764.18 and 215,277.58

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Solution

The fourth proportional to 351,269.89, 484,764.18 and 215,277.58 is: 297,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,269.89 : 484,764.18 = 215,277.58 : x
  2. Step 2: Convert to fraction form
    351,269.89/484,764.18 = 215,277.58/x
  3. Step 3: Cross multiply
    351,269.89x = 484,764.18 × 215,277.58
  4. Step 4: Simplify right side
    351,269.89x = 104,358,859,541.08
  5. Step 5: Solve for x
    x = 104,358,859,541.08/351,269.89
  6. Step 6: Final answer
    x = 297,090.25

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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.