Home / 563,495.22-845,292.04-142,771.09

Finding the Fourth Proportional to 563,495.22, 845,292.04 and 142,771.09

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Solution

The fourth proportional to 563,495.22, 845,292.04 and 142,771.09 is: 214,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,495.22 : 845,292.04 = 142,771.09 : x
  2. Step 2: Convert to fraction form
    563,495.22/845,292.04 = 142,771.09/x
  3. Step 3: Cross multiply
    563,495.22x = 845,292.04 × 142,771.09
  4. Step 4: Simplify right side
    563,495.22x = 120,683,265,919.12
  5. Step 5: Solve for x
    x = 120,683,265,919.12/563,495.22
  6. Step 6: Final answer
    x = 214,169.10

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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.