Home / 384,720.02-577,146.09-171,563.66

Finding the Fourth Proportional to 384,720.02, 577,146.09 and 171,563.66

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Solution

The fourth proportional to 384,720.02, 577,146.09 and 171,563.66 is: 257,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,720.02 : 577,146.09 = 171,563.66 : x
  2. Step 2: Convert to fraction form
    384,720.02/577,146.09 = 171,563.66/x
  3. Step 3: Cross multiply
    384,720.02x = 577,146.09 × 171,563.66
  4. Step 4: Simplify right side
    384,720.02x = 99,017,295,555.09
  5. Step 5: Solve for x
    x = 99,017,295,555.09/384,720.02
  6. Step 6: Final answer
    x = 257,374.95

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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.