Home / 427,925.16-641,679.93-214,601.58

Finding the Fourth Proportional to 427,925.16, 641,679.93 and 214,601.58

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Solution

The fourth proportional to 427,925.16, 641,679.93 and 214,601.58 is: 321,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,925.16 : 641,679.93 = 214,601.58 : x
  2. Step 2: Convert to fraction form
    427,925.16/641,679.93 = 214,601.58/x
  3. Step 3: Cross multiply
    427,925.16x = 641,679.93 × 214,601.58
  4. Step 4: Simplify right side
    427,925.16x = 137,705,526,832.29
  5. Step 5: Solve for x
    x = 137,705,526,832.29/427,925.16
  6. Step 6: Final answer
    x = 321,798.15

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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.