Home / 349,922.80-524,884.20-139,711.60

Finding the Fourth Proportional to 349,922.80, 524,884.20 and 139,711.60

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Solution

The fourth proportional to 349,922.80, 524,884.20 and 139,711.60 is: 209,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,922.80 : 524,884.20 = 139,711.60 : x
  2. Step 2: Convert to fraction form
    349,922.80/524,884.20 = 139,711.60/x
  3. Step 3: Cross multiply
    349,922.80x = 524,884.20 × 139,711.60
  4. Step 4: Simplify right side
    349,922.80x = 73,332,411,396.72
  5. Step 5: Solve for x
    x = 73,332,411,396.72/349,922.80
  6. Step 6: Final answer
    x = 209,567.40

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1.5x scale

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.