Home / 841,218.19-1,261,638.65-242,045.80

Finding the Fourth Proportional to 841,218.19, 1,261,638.65 and 242,045.80

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Solution

The fourth proportional to 841,218.19, 1,261,638.65 and 242,045.80 is: 363,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,218.19 : 1,261,638.65 = 242,045.80 : x
  2. Step 2: Convert to fraction form
    841,218.19/1,261,638.65 = 242,045.80/x
  3. Step 3: Cross multiply
    841,218.19x = 1,261,638.65 × 242,045.80
  4. Step 4: Simplify right side
    841,218.19x = 305,374,328,831.75
  5. Step 5: Solve for x
    x = 305,374,328,831.75/841,218.19
  6. Step 6: Final answer
    x = 363,014.42

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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.