Home / 288,070.40-397,537.59-160,743.26

Finding the Fourth Proportional to 288,070.40, 397,537.59 and 160,743.26

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Solution

The fourth proportional to 288,070.40, 397,537.59 and 160,743.26 is: 221,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,070.40 : 397,537.59 = 160,743.26 : x
  2. Step 2: Convert to fraction form
    288,070.40/397,537.59 = 160,743.26/x
  3. Step 3: Cross multiply
    288,070.40x = 397,537.59 × 160,743.26
  4. Step 4: Simplify right side
    288,070.40x = 63,901,486,201.46
  5. Step 5: Solve for x
    x = 63,901,486,201.46/288,070.40
  6. Step 6: Final answer
    x = 221,825.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.