Home / 152,448.80-228,673.20-47,278.40

Finding the Fourth Proportional to 152,448.80, 228,673.20 and 47,278.40

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Solution

The fourth proportional to 152,448.80, 228,673.20 and 47,278.40 is: 70,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,448.80 : 228,673.20 = 47,278.40 : x
  2. Step 2: Convert to fraction form
    152,448.80/228,673.20 = 47,278.40/x
  3. Step 3: Cross multiply
    152,448.80x = 228,673.20 × 47,278.40
  4. Step 4: Simplify right side
    152,448.80x = 10,811,303,018.88
  5. Step 5: Solve for x
    x = 10,811,303,018.88/152,448.80
  6. Step 6: Final answer
    x = 70,917.60

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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.