Home / 384,985.53-577,576.71-160,271.28

Finding the Fourth Proportional to 384,985.53, 577,576.71 and 160,271.28

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Solution

The fourth proportional to 384,985.53, 577,576.71 and 160,271.28 is: 240,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,985.53 : 577,576.71 = 160,271.28 : x
  2. Step 2: Convert to fraction form
    384,985.53/577,576.71 = 160,271.28/x
  3. Step 3: Cross multiply
    384,985.53x = 577,576.71 × 160,271.28
  4. Step 4: Simplify right side
    384,985.53x = 92,568,958,609.89
  5. Step 5: Solve for x
    x = 92,568,958,609.89/384,985.53
  6. Step 6: Final answer
    x = 240,447.89

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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.