Home / 228,475.03-315,328.40-133,034.35

Finding the Fourth Proportional to 228,475.03, 315,328.40 and 133,034.35

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Solution

The fourth proportional to 228,475.03, 315,328.40 and 133,034.35 is: 183,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,475.03 : 315,328.40 = 133,034.35 : x
  2. Step 2: Convert to fraction form
    228,475.03/315,328.40 = 133,034.35/x
  3. Step 3: Cross multiply
    228,475.03x = 315,328.40 × 133,034.35
  4. Step 4: Simplify right side
    228,475.03x = 41,949,508,730.54
  5. Step 5: Solve for x
    x = 41,949,508,730.54/228,475.03
  6. Step 6: Final answer
    x = 183,606.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.