Home / 346,802.20-519,620.10-228,412.60

Finding the Fourth Proportional to 346,802.20, 519,620.10 and 228,412.60

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Solution

The fourth proportional to 346,802.20, 519,620.10 and 228,412.60 is: 342,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,802.20 : 519,620.10 = 228,412.60 : x
  2. Step 2: Convert to fraction form
    346,802.20/519,620.10 = 228,412.60/x
  3. Step 3: Cross multiply
    346,802.20x = 519,620.10 × 228,412.60
  4. Step 4: Simplify right side
    346,802.20x = 118,687,778,053.26
  5. Step 5: Solve for x
    x = 118,687,778,053.26/346,802.20
  6. Step 6: Final answer
    x = 342,234.79

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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.