Home / 407,023.27-610,627.95-140,783.56

Finding the Fourth Proportional to 407,023.27, 610,627.95 and 140,783.56

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Solution

The fourth proportional to 407,023.27, 610,627.95 and 140,783.56 is: 211,207.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,023.27 : 610,627.95 = 140,783.56 : x
  2. Step 2: Convert to fraction form
    407,023.27/610,627.95 = 140,783.56/x
  3. Step 3: Cross multiply
    407,023.27x = 610,627.95 × 140,783.56
  4. Step 4: Simplify right side
    407,023.27x = 85,966,376,636.50
  5. Step 5: Solve for x
    x = 85,966,376,636.50/407,023.27
  6. Step 6: Final answer
    x = 211,207.52

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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.