Home / 384,962.04-577,436.69-115,090.80

Finding the Fourth Proportional to 384,962.04, 577,436.69 and 115,090.80

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Solution

The fourth proportional to 384,962.04, 577,436.69 and 115,090.80 is: 172,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,962.04 : 577,436.69 = 115,090.80 : x
  2. Step 2: Convert to fraction form
    384,962.04/577,436.69 = 115,090.80/x
  3. Step 3: Cross multiply
    384,962.04x = 577,436.69 × 115,090.80
  4. Step 4: Simplify right side
    384,962.04x = 66,457,650,601.45
  5. Step 5: Solve for x
    x = 66,457,650,601.45/384,962.04
  6. Step 6: Final answer
    x = 172,634.30

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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.