Home / 449,307.12-620,031.96-248,098.80

Finding the Fourth Proportional to 449,307.12, 620,031.96 and 248,098.80

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Solution

The fourth proportional to 449,307.12, 620,031.96 and 248,098.80 is: 342,369.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,307.12 : 620,031.96 = 248,098.80 : x
  2. Step 2: Convert to fraction form
    449,307.12/620,031.96 = 248,098.80/x
  3. Step 3: Cross multiply
    449,307.12x = 620,031.96 × 248,098.80
  4. Step 4: Simplify right side
    449,307.12x = 153,829,185,237.65
  5. Step 5: Solve for x
    x = 153,829,185,237.65/449,307.12
  6. Step 6: Final answer
    x = 342,369.79

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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.