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Finding the Fourth Proportional to 551,427.96, 827,146.30 and 301,973.88

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Solution

The fourth proportional to 551,427.96, 827,146.30 and 301,973.88 is: 452,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,427.96 : 827,146.30 = 301,973.88 : x
  2. Step 2: Convert to fraction form
    551,427.96/827,146.30 = 301,973.88/x
  3. Step 3: Cross multiply
    551,427.96x = 827,146.30 × 301,973.88
  4. Step 4: Simplify right side
    551,427.96x = 249,776,577,538.64
  5. Step 5: Solve for x
    x = 249,776,577,538.64/551,427.96
  6. Step 6: Final answer
    x = 452,963.21

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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.