Home / 211,301.34-291,582.63-115,801.26

Finding the Fourth Proportional to 211,301.34, 291,582.63 and 115,801.26

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Solution

The fourth proportional to 211,301.34, 291,582.63 and 115,801.26 is: 159,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,301.34 : 291,582.63 = 115,801.26 : x
  2. Step 2: Convert to fraction form
    211,301.34/291,582.63 = 115,801.26/x
  3. Step 3: Cross multiply
    211,301.34x = 291,582.63 × 115,801.26
  4. Step 4: Simplify right side
    211,301.34x = 33,765,635,948.11
  5. Step 5: Solve for x
    x = 33,765,635,948.11/211,301.34
  6. Step 6: Final answer
    x = 159,798.49

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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.