Home / 571,916.22-857,316.51-272,316.30

Finding the Fourth Proportional to 571,916.22, 857,316.51 and 272,316.30

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Solution

The fourth proportional to 571,916.22, 857,316.51 and 272,316.30 is: 408,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,916.22 : 857,316.51 = 272,316.30 : x
  2. Step 2: Convert to fraction form
    571,916.22/857,316.51 = 272,316.30/x
  3. Step 3: Cross multiply
    571,916.22x = 857,316.51 × 272,316.30
  4. Step 4: Simplify right side
    571,916.22x = 233,461,259,932.11
  5. Step 5: Solve for x
    x = 233,461,259,932.11/571,916.22
  6. Step 6: Final answer
    x = 408,208.85

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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.