Home / 371,350.58-512,465.33-210,236.72

Finding the Fourth Proportional to 371,350.58, 512,465.33 and 210,236.72

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Solution

The fourth proportional to 371,350.58, 512,465.33 and 210,236.72 is: 290,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,350.58 : 512,465.33 = 210,236.72 : x
  2. Step 2: Convert to fraction form
    371,350.58/512,465.33 = 210,236.72/x
  3. Step 3: Cross multiply
    371,350.58x = 512,465.33 × 210,236.72
  4. Step 4: Simplify right side
    371,350.58x = 107,739,028,056.18
  5. Step 5: Solve for x
    x = 107,739,028,056.18/371,350.58
  6. Step 6: Final answer
    x = 290,127.54

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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.