Home / 152,425.20-228,637.80-47,276.40

Finding the Fourth Proportional to 152,425.20, 228,637.80 and 47,276.40

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Solution

The fourth proportional to 152,425.20, 228,637.80 and 47,276.40 is: 70,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,425.20 : 228,637.80 = 47,276.40 : x
  2. Step 2: Convert to fraction form
    152,425.20/228,637.80 = 47,276.40/x
  3. Step 3: Cross multiply
    152,425.20x = 228,637.80 × 47,276.40
  4. Step 4: Simplify right side
    152,425.20x = 10,809,172,087.92
  5. Step 5: Solve for x
    x = 10,809,172,087.92/152,425.20
  6. Step 6: Final answer
    x = 70,914.60

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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.