Home / 264,281.91-364,707.03-143,420.05

Finding the Fourth Proportional to 264,281.91, 364,707.03 and 143,420.05

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Solution

The fourth proportional to 264,281.91, 364,707.03 and 143,420.05 is: 197,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,281.91 : 364,707.03 = 143,420.05 : x
  2. Step 2: Convert to fraction form
    264,281.91/364,707.03 = 143,420.05/x
  3. Step 3: Cross multiply
    264,281.91x = 364,707.03 × 143,420.05
  4. Step 4: Simplify right side
    264,281.91x = 52,306,300,477.95
  5. Step 5: Solve for x
    x = 52,306,300,477.95/264,281.91
  6. Step 6: Final answer
    x = 197,918.58

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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.