Home / 372,123.60-557,569.80-214,076.40

Finding the Fourth Proportional to 372,123.60, 557,569.80 and 214,076.40

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Solution

The fourth proportional to 372,123.60, 557,569.80 and 214,076.40 is: 320,760.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,123.60 : 557,569.80 = 214,076.40 : x
  2. Step 2: Convert to fraction form
    372,123.60/557,569.80 = 214,076.40/x
  3. Step 3: Cross multiply
    372,123.60x = 557,569.80 × 214,076.40
  4. Step 4: Simplify right side
    372,123.60x = 119,362,535,532.72
  5. Step 5: Solve for x
    x = 119,362,535,532.72/372,123.60
  6. Step 6: Final answer
    x = 320,760.46

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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.