Home / 371,609.28-512,852.40-210,493.08

Finding the Fourth Proportional to 371,609.28, 512,852.40 and 210,493.08

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Solution

The fourth proportional to 371,609.28, 512,852.40 and 210,493.08 is: 290,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,609.28 : 512,852.40 = 210,493.08 : x
  2. Step 2: Convert to fraction form
    371,609.28/512,852.40 = 210,493.08/x
  3. Step 3: Cross multiply
    371,609.28x = 512,852.40 × 210,493.08
  4. Step 4: Simplify right side
    371,609.28x = 107,951,881,261.39
  5. Step 5: Solve for x
    x = 107,951,881,261.39/371,609.28
  6. Step 6: Final answer
    x = 290,498.35

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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.