Home / 211,316.39-316,870.89-104,577.02

Finding the Fourth Proportional to 211,316.39, 316,870.89 and 104,577.02

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Solution

The fourth proportional to 211,316.39, 316,870.89 and 104,577.02 is: 156,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,316.39 : 316,870.89 = 104,577.02 : x
  2. Step 2: Convert to fraction form
    211,316.39/316,870.89 = 104,577.02/x
  3. Step 3: Cross multiply
    211,316.39x = 316,870.89 × 104,577.02
  4. Step 4: Simplify right side
    211,316.39x = 33,137,413,400.95
  5. Step 5: Solve for x
    x = 33,137,413,400.95/211,316.39
  6. Step 6: Final answer
    x = 156,814.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.