Home / 257,184.04-385,408.44-144,628

Finding the Fourth Proportional to 257,184.04, 385,408.44 and 144,628

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Solution

The fourth proportional to 257,184.04, 385,408.44 and 144,628 is: 216,735.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,184.04 : 385,408.44 = 144,628 : x
  2. Step 2: Convert to fraction form
    257,184.04/385,408.44 = 144,628/x
  3. Step 3: Cross multiply
    257,184.04x = 385,408.44 × 144,628
  4. Step 4: Simplify right side
    257,184.04x = 55,740,851,860.32
  5. Step 5: Solve for x
    x = 55,740,851,860.32/257,184.04
  6. Step 6: Final answer
    x = 216,735.27

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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.