Home / 270,023.21-372,677.51-156,911.57

Finding the Fourth Proportional to 270,023.21, 372,677.51 and 156,911.57

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Solution

The fourth proportional to 270,023.21, 372,677.51 and 156,911.57 is: 216,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,023.21 : 372,677.51 = 156,911.57 : x
  2. Step 2: Convert to fraction form
    270,023.21/372,677.51 = 156,911.57/x
  3. Step 3: Cross multiply
    270,023.21x = 372,677.51 × 156,911.57
  4. Step 4: Simplify right side
    270,023.21x = 58,477,413,197.79
  5. Step 5: Solve for x
    x = 58,477,413,197.79/270,023.21
  6. Step 6: Final answer
    x = 216,564.40

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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.