Home / 152,213.60-228,320.40-47,043.20

Finding the Fourth Proportional to 152,213.60, 228,320.40 and 47,043.20

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Solution

The fourth proportional to 152,213.60, 228,320.40 and 47,043.20 is: 70,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,213.60 : 228,320.40 = 47,043.20 : x
  2. Step 2: Convert to fraction form
    152,213.60/228,320.40 = 47,043.20/x
  3. Step 3: Cross multiply
    152,213.60x = 228,320.40 × 47,043.20
  4. Step 4: Simplify right side
    152,213.60x = 10,740,922,241.28
  5. Step 5: Solve for x
    x = 10,740,922,241.28/152,213.60
  6. Step 6: Final answer
    x = 70,564.80

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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.