Home / 254,098.21-380,639.10-152,840.35

Finding the Fourth Proportional to 254,098.21, 380,639.10 and 152,840.35

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Solution

The fourth proportional to 254,098.21, 380,639.10 and 152,840.35 is: 228,954.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,098.21 : 380,639.10 = 152,840.35 : x
  2. Step 2: Convert to fraction form
    254,098.21/380,639.10 = 152,840.35/x
  3. Step 3: Cross multiply
    254,098.21x = 380,639.10 × 152,840.35
  4. Step 4: Simplify right side
    254,098.21x = 58,177,013,267.69
  5. Step 5: Solve for x
    x = 58,177,013,267.69/254,098.21
  6. Step 6: Final answer
    x = 228,954.83

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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.