Home / 257,556.10-385,870.78-242,362.83

Finding the Fourth Proportional to 257,556.10, 385,870.78 and 242,362.83

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Solution

The fourth proportional to 257,556.10, 385,870.78 and 242,362.83 is: 363,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,556.10 : 385,870.78 = 242,362.83 : x
  2. Step 2: Convert to fraction form
    257,556.10/385,870.78 = 242,362.83/x
  3. Step 3: Cross multiply
    257,556.10x = 385,870.78 × 242,362.83
  4. Step 4: Simplify right side
    257,556.10x = 93,520,734,255.11
  5. Step 5: Solve for x
    x = 93,520,734,255.11/257,556.10
  6. Step 6: Final answer
    x = 363,108.21

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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.