Home / 310,827.59-428,942.74-183,511.39

Finding the Fourth Proportional to 310,827.59, 428,942.74 and 183,511.39

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Solution

The fourth proportional to 310,827.59, 428,942.74 and 183,511.39 is: 253,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,827.59 : 428,942.74 = 183,511.39 : x
  2. Step 2: Convert to fraction form
    310,827.59/428,942.74 = 183,511.39/x
  3. Step 3: Cross multiply
    310,827.59x = 428,942.74 × 183,511.39
  4. Step 4: Simplify right side
    310,827.59x = 78,715,876,916.67
  5. Step 5: Solve for x
    x = 78,715,876,916.67/310,827.59
  6. Step 6: Final answer
    x = 253,246.10

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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.