Home / 242,844.20-364,266.30-171,985.40

Finding the Fourth Proportional to 242,844.20, 364,266.30 and 171,985.40

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Solution

The fourth proportional to 242,844.20, 364,266.30 and 171,985.40 is: 257,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,844.20 : 364,266.30 = 171,985.40 : x
  2. Step 2: Convert to fraction form
    242,844.20/364,266.30 = 171,985.40/x
  3. Step 3: Cross multiply
    242,844.20x = 364,266.30 × 171,985.40
  4. Step 4: Simplify right side
    242,844.20x = 62,648,485,312.02
  5. Step 5: Solve for x
    x = 62,648,485,312.02/242,844.20
  6. Step 6: Final answer
    x = 257,978.10

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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.