Home / 152,301.76-228,464.16-47,131.36

Finding the Fourth Proportional to 152,301.76, 228,464.16 and 47,131.36

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Solution

The fourth proportional to 152,301.76, 228,464.16 and 47,131.36 is: 70,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,301.76 : 228,464.16 = 47,131.36 : x
  2. Step 2: Convert to fraction form
    152,301.76/228,464.16 = 47,131.36/x
  3. Step 3: Cross multiply
    152,301.76x = 228,464.16 × 47,131.36
  4. Step 4: Simplify right side
    152,301.76x = 10,767,826,572.06
  5. Step 5: Solve for x
    x = 10,767,826,572.06/152,301.76
  6. Step 6: Final answer
    x = 70,700.60

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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.