Home / 340,489.63-510,733.06-103,831.62

Finding the Fourth Proportional to 340,489.63, 510,733.06 and 103,831.62

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Solution

The fourth proportional to 340,489.63, 510,733.06 and 103,831.62 is: 155,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,489.63 : 510,733.06 = 103,831.62 : x
  2. Step 2: Convert to fraction form
    340,489.63/510,733.06 = 103,831.62/x
  3. Step 3: Cross multiply
    340,489.63x = 510,733.06 × 103,831.62
  4. Step 4: Simplify right side
    340,489.63x = 53,030,241,007.36
  5. Step 5: Solve for x
    x = 53,030,241,007.36/340,489.63
  6. Step 6: Final answer
    x = 155,747.01

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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.