Home / 366,281.37-548,536.25-316,680.21

Finding the Fourth Proportional to 366,281.37, 548,536.25 and 316,680.21

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Solution

The fourth proportional to 366,281.37, 548,536.25 and 316,680.21 is: 474,254.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,281.37 : 548,536.25 = 316,680.21 : x
  2. Step 2: Convert to fraction form
    366,281.37/548,536.25 = 316,680.21/x
  3. Step 3: Cross multiply
    366,281.37x = 548,536.25 × 316,680.21
  4. Step 4: Simplify right side
    366,281.37x = 173,710,575,634.31
  5. Step 5: Solve for x
    x = 173,710,575,634.31/366,281.37
  6. Step 6: Final answer
    x = 474,254.47

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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.