Home / 318,075.86-438,945.02-174,832.83

Finding the Fourth Proportional to 318,075.86, 438,945.02 and 174,832.83

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Solution

The fourth proportional to 318,075.86, 438,945.02 and 174,832.83 is: 241,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,075.86 : 438,945.02 = 174,832.83 : x
  2. Step 2: Convert to fraction form
    318,075.86/438,945.02 = 174,832.83/x
  3. Step 3: Cross multiply
    318,075.86x = 438,945.02 × 174,832.83
  4. Step 4: Simplify right side
    318,075.86x = 76,741,999,186.84
  5. Step 5: Solve for x
    x = 76,741,999,186.84/318,075.86
  6. Step 6: Final answer
    x = 241,269.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.