Home / 255,465.40-352,548.48-142,290.04

Finding the Fourth Proportional to 255,465.40, 352,548.48 and 142,290.04

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Solution

The fourth proportional to 255,465.40, 352,548.48 and 142,290.04 is: 196,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,465.40 : 352,548.48 = 142,290.04 : x
  2. Step 2: Convert to fraction form
    255,465.40/352,548.48 = 142,290.04/x
  3. Step 3: Cross multiply
    255,465.40x = 352,548.48 × 142,290.04
  4. Step 4: Simplify right side
    255,465.40x = 50,164,137,321.14
  5. Step 5: Solve for x
    x = 50,164,137,321.14/255,465.40
  6. Step 6: Final answer
    x = 196,363.72

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1.5x scale

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.