Home / 539,032.20-808,550.70-139,644.60

Finding the Fourth Proportional to 539,032.20, 808,550.70 and 139,644.60

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Solution

The fourth proportional to 539,032.20, 808,550.70 and 139,644.60 is: 209,467.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,032.20 : 808,550.70 = 139,644.60 : x
  2. Step 2: Convert to fraction form
    539,032.20/808,550.70 = 139,644.60/x
  3. Step 3: Cross multiply
    539,032.20x = 808,550.70 × 139,644.60
  4. Step 4: Simplify right side
    539,032.20x = 112,909,739,081.22
  5. Step 5: Solve for x
    x = 112,909,739,081.22/539,032.20
  6. Step 6: Final answer
    x = 209,467.52

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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.