Home / 382,012.40-571,852.20-298,031.60

Finding the Fourth Proportional to 382,012.40, 571,852.20 and 298,031.60

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Solution

The fourth proportional to 382,012.40, 571,852.20 and 298,031.60 is: 446,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,012.40 : 571,852.20 = 298,031.60 : x
  2. Step 2: Convert to fraction form
    382,012.40/571,852.20 = 298,031.60/x
  3. Step 3: Cross multiply
    382,012.40x = 571,852.20 × 298,031.60
  4. Step 4: Simplify right side
    382,012.40x = 170,430,026,129.52
  5. Step 5: Solve for x
    x = 170,430,026,129.52/382,012.40
  6. Step 6: Final answer
    x = 446,137.42

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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.