Home / 571,289.91-857,055.02-216,296.07

Finding the Fourth Proportional to 571,289.91, 857,055.02 and 216,296.07

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Solution

The fourth proportional to 571,289.91, 857,055.02 and 216,296.07 is: 324,489.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,289.91 : 857,055.02 = 216,296.07 : x
  2. Step 2: Convert to fraction form
    571,289.91/857,055.02 = 216,296.07/x
  3. Step 3: Cross multiply
    571,289.91x = 857,055.02 × 216,296.07
  4. Step 4: Simplify right side
    571,289.91x = 185,377,631,518.29
  5. Step 5: Solve for x
    x = 185,377,631,518.29/571,289.91
  6. Step 6: Final answer
    x = 324,489.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.