Home / 371,582.28-512,795.66-210,433.86

Finding the Fourth Proportional to 371,582.28, 512,795.66 and 210,433.86

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Solution

The fourth proportional to 371,582.28, 512,795.66 and 210,433.86 is: 290,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,582.28 : 512,795.66 = 210,433.86 : x
  2. Step 2: Convert to fraction form
    371,582.28/512,795.66 = 210,433.86/x
  3. Step 3: Cross multiply
    371,582.28x = 512,795.66 × 210,433.86
  4. Step 4: Simplify right side
    371,582.28x = 107,909,569,072.88
  5. Step 5: Solve for x
    x = 107,909,569,072.88/371,582.28
  6. Step 6: Final answer
    x = 290,405.58

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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.