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Finding the Fourth Proportional to 371,351.58, 512,466.72 and 210,237.72

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Solution

The fourth proportional to 371,351.58, 512,466.72 and 210,237.72 is: 290,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,351.58 : 512,466.72 = 210,237.72 : x
  2. Step 2: Convert to fraction form
    371,351.58/512,466.72 = 210,237.72/x
  3. Step 3: Cross multiply
    371,351.58x = 512,466.72 × 210,237.72
  4. Step 4: Simplify right side
    371,351.58x = 107,739,831,175.16
  5. Step 5: Solve for x
    x = 107,739,831,175.16/371,351.58
  6. Step 6: Final answer
    x = 290,128.92

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1.5x scale

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.