Home / 535,836.90-803,463.35-161,811.30

Finding the Fourth Proportional to 535,836.90, 803,463.35 and 161,811.30

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Solution

The fourth proportional to 535,836.90, 803,463.35 and 161,811.30 is: 242,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,836.90 : 803,463.35 = 161,811.30 : x
  2. Step 2: Convert to fraction form
    535,836.90/803,463.35 = 161,811.30/x
  3. Step 3: Cross multiply
    535,836.90x = 803,463.35 × 161,811.30
  4. Step 4: Simplify right side
    535,836.90x = 130,009,449,165.86
  5. Step 5: Solve for x
    x = 130,009,449,165.86/535,836.90
  6. Step 6: Final answer
    x = 242,628.77

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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.