Home / 211,050.63-291,257.19-115,557.98

Finding the Fourth Proportional to 211,050.63, 291,257.19 and 115,557.98

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Solution

The fourth proportional to 211,050.63, 291,257.19 and 115,557.98 is: 159,474.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,050.63 : 291,257.19 = 115,557.98 : x
  2. Step 2: Convert to fraction form
    211,050.63/291,257.19 = 115,557.98/x
  3. Step 3: Cross multiply
    211,050.63x = 291,257.19 × 115,557.98
  4. Step 4: Simplify right side
    211,050.63x = 33,657,091,080.59
  5. Step 5: Solve for x
    x = 33,657,091,080.59/211,050.63
  6. Step 6: Final answer
    x = 159,474.01

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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.