Home / 299,268.16-448,897.50-139,254.59

Finding the Fourth Proportional to 299,268.16, 448,897.50 and 139,254.59

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Solution

The fourth proportional to 299,268.16, 448,897.50 and 139,254.59 is: 208,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,268.16 : 448,897.50 = 139,254.59 : x
  2. Step 2: Convert to fraction form
    299,268.16/448,897.50 = 139,254.59/x
  3. Step 3: Cross multiply
    299,268.16x = 448,897.50 × 139,254.59
  4. Step 4: Simplify right side
    299,268.16x = 62,511,038,436.77
  5. Step 5: Solve for x
    x = 62,511,038,436.77/299,268.16
  6. Step 6: Final answer
    x = 208,879.68

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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.