Home / 439,474.51-658,993.65-139,916.08

Finding the Fourth Proportional to 439,474.51, 658,993.65 and 139,916.08

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Solution

The fourth proportional to 439,474.51, 658,993.65 and 139,916.08 is: 209,804.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,474.51 : 658,993.65 = 139,916.08 : x
  2. Step 2: Convert to fraction form
    439,474.51/658,993.65 = 139,916.08/x
  3. Step 3: Cross multiply
    439,474.51x = 658,993.65 × 139,916.08
  4. Step 4: Simplify right side
    439,474.51x = 92,203,808,252.89
  5. Step 5: Solve for x
    x = 92,203,808,252.89/439,474.51
  6. Step 6: Final answer
    x = 209,804.68

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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.