Home / 571,282.90-856,927.41-171,920.95

Finding the Fourth Proportional to 571,282.90, 856,927.41 and 171,920.95

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Solution

The fourth proportional to 571,282.90, 856,927.41 and 171,920.95 is: 257,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,282.90 : 856,927.41 = 171,920.95 : x
  2. Step 2: Convert to fraction form
    571,282.90/856,927.41 = 171,920.95/x
  3. Step 3: Cross multiply
    571,282.90x = 856,927.41 × 171,920.95
  4. Step 4: Simplify right side
    571,282.90x = 147,323,774,408.24
  5. Step 5: Solve for x
    x = 147,323,774,408.24/571,282.90
  6. Step 6: Final answer
    x = 257,882.35

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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.