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Finding the Fourth Proportional to 450,077.88, 621,263.88 and 259,167.36

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Solution

The fourth proportional to 450,077.88, 621,263.88 and 259,167.36 is: 357,741.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,077.88 : 621,263.88 = 259,167.36 : x
  2. Step 2: Convert to fraction form
    450,077.88/621,263.88 = 259,167.36/x
  3. Step 3: Cross multiply
    450,077.88x = 621,263.88 × 259,167.36
  4. Step 4: Simplify right side
    450,077.88x = 161,011,319,642.96
  5. Step 5: Solve for x
    x = 161,011,319,642.96/450,077.88
  6. Step 6: Final answer
    x = 357,741.02

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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.