Home / 535,962.20-803,943.30-161,985.20

Finding the Fourth Proportional to 535,962.20, 803,943.30 and 161,985.20

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Solution

The fourth proportional to 535,962.20, 803,943.30 and 161,985.20 is: 242,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,962.20 : 803,943.30 = 161,985.20 : x
  2. Step 2: Convert to fraction form
    535,962.20/803,943.30 = 161,985.20/x
  3. Step 3: Cross multiply
    535,962.20x = 803,943.30 × 161,985.20
  4. Step 4: Simplify right side
    535,962.20x = 130,226,916,239.16
  5. Step 5: Solve for x
    x = 130,226,916,239.16/535,962.20
  6. Step 6: Final answer
    x = 242,977.80

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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.