Home / 152,389.80-228,591.18-47,210.76

Finding the Fourth Proportional to 152,389.80, 228,591.18 and 47,210.76

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Solution

The fourth proportional to 152,389.80, 228,591.18 and 47,210.76 is: 70,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,389.80 : 228,591.18 = 47,210.76 : x
  2. Step 2: Convert to fraction form
    152,389.80/228,591.18 = 47,210.76/x
  3. Step 3: Cross multiply
    152,389.80x = 228,591.18 × 47,210.76
  4. Step 4: Simplify right side
    152,389.80x = 10,791,963,337.10
  5. Step 5: Solve for x
    x = 10,791,963,337.10/152,389.80
  6. Step 6: Final answer
    x = 70,818.15

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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.