Home / 272,213.35-405,682.76-258,041.59

Finding the Fourth Proportional to 272,213.35, 405,682.76 and 258,041.59

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Solution

The fourth proportional to 272,213.35, 405,682.76 and 258,041.59 is: 384,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,213.35 : 405,682.76 = 258,041.59 : x
  2. Step 2: Convert to fraction form
    272,213.35/405,682.76 = 258,041.59/x
  3. Step 3: Cross multiply
    272,213.35x = 405,682.76 × 258,041.59
  4. Step 4: Simplify right side
    272,213.35x = 104,683,024,425.99
  5. Step 5: Solve for x
    x = 104,683,024,425.99/272,213.35
  6. Step 6: Final answer
    x = 384,562.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.