Home / 438,245.02-657,367.53-105,821.02

Finding the Fourth Proportional to 438,245.02, 657,367.53 and 105,821.02

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Solution

The fourth proportional to 438,245.02, 657,367.53 and 105,821.02 is: 158,731.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,245.02 : 657,367.53 = 105,821.02 : x
  2. Step 2: Convert to fraction form
    438,245.02/657,367.53 = 105,821.02/x
  3. Step 3: Cross multiply
    438,245.02x = 657,367.53 × 105,821.02
  4. Step 4: Simplify right side
    438,245.02x = 69,563,302,539.48
  5. Step 5: Solve for x
    x = 69,563,302,539.48/438,245.02
  6. Step 6: Final answer
    x = 158,731.53

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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.