Home / 306,660.02-423,150.77-170,699.69

Finding the Fourth Proportional to 306,660.02, 423,150.77 and 170,699.69

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Solution

The fourth proportional to 306,660.02, 423,150.77 and 170,699.69 is: 235,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,660.02 : 423,150.77 = 170,699.69 : x
  2. Step 2: Convert to fraction form
    306,660.02/423,150.77 = 170,699.69/x
  3. Step 3: Cross multiply
    306,660.02x = 423,150.77 × 170,699.69
  4. Step 4: Simplify right side
    306,660.02x = 72,231,704,408.76
  5. Step 5: Solve for x
    x = 72,231,704,408.76/306,660.02
  6. Step 6: Final answer
    x = 235,543.28

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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.