Home / 340,577.04-510,865.56-103,920.96

Finding the Fourth Proportional to 340,577.04, 510,865.56 and 103,920.96

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Solution

The fourth proportional to 340,577.04, 510,865.56 and 103,920.96 is: 155,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,577.04 : 510,865.56 = 103,920.96 : x
  2. Step 2: Convert to fraction form
    340,577.04/510,865.56 = 103,920.96/x
  3. Step 3: Cross multiply
    340,577.04x = 510,865.56 × 103,920.96
  4. Step 4: Simplify right side
    340,577.04x = 53,089,639,426.14
  5. Step 5: Solve for x
    x = 53,089,639,426.14/340,577.04
  6. Step 6: Final answer
    x = 155,881.44

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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.