Home / 270,050.37-372,658.10-155,320.35

Finding the Fourth Proportional to 270,050.37, 372,658.10 and 155,320.35

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Solution

The fourth proportional to 270,050.37, 372,658.10 and 155,320.35 is: 214,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,050.37 : 372,658.10 = 155,320.35 : x
  2. Step 2: Convert to fraction form
    270,050.37/372,658.10 = 155,320.35/x
  3. Step 3: Cross multiply
    270,050.37x = 372,658.10 × 155,320.35
  4. Step 4: Simplify right side
    270,050.37x = 57,881,385,745.73
  5. Step 5: Solve for x
    x = 57,881,385,745.73/270,050.37
  6. Step 6: Final answer
    x = 214,335.52

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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.