Home / 343,926.83-515,913.02-119,263.61

Finding the Fourth Proportional to 343,926.83, 515,913.02 and 119,263.61

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Solution

The fourth proportional to 343,926.83, 515,913.02 and 119,263.61 is: 178,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,926.83 : 515,913.02 = 119,263.61 : x
  2. Step 2: Convert to fraction form
    343,926.83/515,913.02 = 119,263.61/x
  3. Step 3: Cross multiply
    343,926.83x = 515,913.02 × 119,263.61
  4. Step 4: Simplify right side
    343,926.83x = 61,529,646,035.32
  5. Step 5: Solve for x
    x = 61,529,646,035.32/343,926.83
  6. Step 6: Final answer
    x = 178,903.31

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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.