Home / 211,048.96-291,254.16-115,564.72

Finding the Fourth Proportional to 211,048.96, 291,254.16 and 115,564.72

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Solution

The fourth proportional to 211,048.96, 291,254.16 and 115,564.72 is: 159,482.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,048.96 : 291,254.16 = 115,564.72 : x
  2. Step 2: Convert to fraction form
    211,048.96/291,254.16 = 115,564.72/x
  3. Step 3: Cross multiply
    211,048.96x = 291,254.16 × 115,564.72
  4. Step 4: Simplify right side
    211,048.96x = 33,658,705,449.24
  5. Step 5: Solve for x
    x = 33,658,705,449.24/211,048.96
  6. Step 6: Final answer
    x = 159,482.92

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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.