Home / 356,921.43-492,592.73-213,681.39

Finding the Fourth Proportional to 356,921.43, 492,592.73 and 213,681.39

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Solution

The fourth proportional to 356,921.43, 492,592.73 and 213,681.39 is: 294,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,921.43 : 492,592.73 = 213,681.39 : x
  2. Step 2: Convert to fraction form
    356,921.43/492,592.73 = 213,681.39/x
  3. Step 3: Cross multiply
    356,921.43x = 492,592.73 × 213,681.39
  4. Step 4: Simplify right side
    356,921.43x = 105,257,899,250.30
  5. Step 5: Solve for x
    x = 105,257,899,250.30/356,921.43
  6. Step 6: Final answer
    x = 294,904.96

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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.