Home / 384,720.30-577,080.45-243,002.70

Finding the Fourth Proportional to 384,720.30, 577,080.45 and 243,002.70

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Solution

The fourth proportional to 384,720.30, 577,080.45 and 243,002.70 is: 364,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,720.30 : 577,080.45 = 243,002.70 : x
  2. Step 2: Convert to fraction form
    384,720.30/577,080.45 = 243,002.70/x
  3. Step 3: Cross multiply
    384,720.30x = 577,080.45 × 243,002.70
  4. Step 4: Simplify right side
    384,720.30x = 140,232,107,467.22
  5. Step 5: Solve for x
    x = 140,232,107,467.22/384,720.30
  6. Step 6: Final answer
    x = 364,504.05

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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.