Home / 211,261.01-291,547.28-115,766.87

Finding the Fourth Proportional to 211,261.01, 291,547.28 and 115,766.87

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Solution

The fourth proportional to 211,261.01, 291,547.28 and 115,766.87 is: 159,762.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,261.01 : 291,547.28 = 115,766.87 : x
  2. Step 2: Convert to fraction form
    211,261.01/291,547.28 = 115,766.87/x
  3. Step 3: Cross multiply
    211,261.01x = 291,547.28 × 115,766.87
  4. Step 4: Simplify right side
    211,261.01x = 33,751,514,894.29
  5. Step 5: Solve for x
    x = 33,751,514,894.29/211,261.01
  6. Step 6: Final answer
    x = 159,762.16

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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.