Home / 211,051.63-291,258.57-115,558.98

Finding the Fourth Proportional to 211,051.63, 291,258.57 and 115,558.98

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Solution

The fourth proportional to 211,051.63, 291,258.57 and 115,558.98 is: 159,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,051.63 : 291,258.57 = 115,558.98 : x
  2. Step 2: Convert to fraction form
    211,051.63/291,258.57 = 115,558.98/x
  3. Step 3: Cross multiply
    211,051.63x = 291,258.57 × 115,558.98
  4. Step 4: Simplify right side
    211,051.63x = 33,657,543,265.46
  5. Step 5: Solve for x
    x = 33,657,543,265.46/211,051.63
  6. Step 6: Final answer
    x = 159,475.40

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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.