Home / 211,301.40-291,582.72-115,801.32

Finding the Fourth Proportional to 211,301.40, 291,582.72 and 115,801.32

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Solution

The fourth proportional to 211,301.40, 291,582.72 and 115,801.32 is: 159,798.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,301.40 : 291,582.72 = 115,801.32 : x
  2. Step 2: Convert to fraction form
    211,301.40/291,582.72 = 115,801.32/x
  3. Step 3: Cross multiply
    211,301.40x = 291,582.72 × 115,801.32
  4. Step 4: Simplify right side
    211,301.40x = 33,765,663,865.19
  5. Step 5: Solve for x
    x = 33,765,663,865.19/211,301.40
  6. Step 6: Final answer
    x = 159,798.58

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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.