Home / 362,728.20-543,897.90-152,128.20

Finding the Fourth Proportional to 362,728.20, 543,897.90 and 152,128.20

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Solution

The fourth proportional to 362,728.20, 543,897.90 and 152,128.20 is: 228,110.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,728.20 : 543,897.90 = 152,128.20 : x
  2. Step 2: Convert to fraction form
    362,728.20/543,897.90 = 152,128.20/x
  3. Step 3: Cross multiply
    362,728.20x = 543,897.90 × 152,128.20
  4. Step 4: Simplify right side
    362,728.20x = 82,742,208,510.78
  5. Step 5: Solve for x
    x = 82,742,208,510.78/362,728.20
  6. Step 6: Final answer
    x = 228,110.77

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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.