Home / 175,089.60-262,634.40-172,465.20

Finding the Fourth Proportional to 175,089.60, 262,634.40 and 172,465.20

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Solution

The fourth proportional to 175,089.60, 262,634.40 and 172,465.20 is: 258,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,089.60 : 262,634.40 = 172,465.20 : x
  2. Step 2: Convert to fraction form
    175,089.60/262,634.40 = 172,465.20/x
  3. Step 3: Cross multiply
    175,089.60x = 262,634.40 × 172,465.20
  4. Step 4: Simplify right side
    175,089.60x = 45,295,294,322.88
  5. Step 5: Solve for x
    x = 45,295,294,322.88/175,089.60
  6. Step 6: Final answer
    x = 258,697.80

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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.