Home / 245,831.10-368,487.45-140,423.10

Finding the Fourth Proportional to 245,831.10, 368,487.45 and 140,423.10

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Solution

The fourth proportional to 245,831.10, 368,487.45 and 140,423.10 is: 210,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,831.10 : 368,487.45 = 140,423.10 : x
  2. Step 2: Convert to fraction form
    245,831.10/368,487.45 = 140,423.10/x
  3. Step 3: Cross multiply
    245,831.10x = 368,487.45 × 140,423.10
  4. Step 4: Simplify right side
    245,831.10x = 51,744,150,040.10
  5. Step 5: Solve for x
    x = 51,744,150,040.10/245,831.10
  6. Step 6: Final answer
    x = 210,486.59

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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.