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Finding the Fourth Proportional to 528,069.70, 791,910.15 and 173,095.30

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Solution

The fourth proportional to 528,069.70, 791,910.15 and 173,095.30 is: 259,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,069.70 : 791,910.15 = 173,095.30 : x
  2. Step 2: Convert to fraction form
    528,069.70/791,910.15 = 173,095.30/x
  3. Step 3: Cross multiply
    528,069.70x = 791,910.15 × 173,095.30
  4. Step 4: Simplify right side
    528,069.70x = 137,075,924,987.30
  5. Step 5: Solve for x
    x = 137,075,924,987.30/528,069.70
  6. Step 6: Final answer
    x = 259,579.23

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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.