Home / 292,666.22-439,165.40-115,297.79

Finding the Fourth Proportional to 292,666.22, 439,165.40 and 115,297.79

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Solution

The fourth proportional to 292,666.22, 439,165.40 and 115,297.79 is: 173,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,666.22 : 439,165.40 = 115,297.79 : x
  2. Step 2: Convert to fraction form
    292,666.22/439,165.40 = 115,297.79/x
  3. Step 3: Cross multiply
    292,666.22x = 439,165.40 × 115,297.79
  4. Step 4: Simplify right side
    292,666.22x = 50,634,798,695.37
  5. Step 5: Solve for x
    x = 50,634,798,695.37/292,666.22
  6. Step 6: Final answer
    x = 173,012.11

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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.