Home / 152,291.32-228,452.40-52,438.30

Finding the Fourth Proportional to 152,291.32, 228,452.40 and 52,438.30

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Solution

The fourth proportional to 152,291.32, 228,452.40 and 52,438.30 is: 78,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,291.32 : 228,452.40 = 52,438.30 : x
  2. Step 2: Convert to fraction form
    152,291.32/228,452.40 = 52,438.30/x
  3. Step 3: Cross multiply
    152,291.32x = 228,452.40 × 52,438.30
  4. Step 4: Simplify right side
    152,291.32x = 11,979,655,486.92
  5. Step 5: Solve for x
    x = 11,979,655,486.92/152,291.32
  6. Step 6: Final answer
    x = 78,662.76

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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.