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Finding the Fourth Proportional to 342,582.36, 514,461.60 and 210,239.70

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Solution

The fourth proportional to 342,582.36, 514,461.60 and 210,239.70 is: 315,720.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,582.36 : 514,461.60 = 210,239.70 : x
  2. Step 2: Convert to fraction form
    342,582.36/514,461.60 = 210,239.70/x
  3. Step 3: Cross multiply
    342,582.36x = 514,461.60 × 210,239.70
  4. Step 4: Simplify right side
    342,582.36x = 108,160,252,445.52
  5. Step 5: Solve for x
    x = 108,160,252,445.52/342,582.36
  6. Step 6: Final answer
    x = 315,720.44

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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.