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Finding the Fourth Proportional to 540,852.04, 811,298.31 and 161,777.71

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Solution

The fourth proportional to 540,852.04, 811,298.31 and 161,777.71 is: 242,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,852.04 : 811,298.31 = 161,777.71 : x
  2. Step 2: Convert to fraction form
    540,852.04/811,298.31 = 161,777.71/x
  3. Step 3: Cross multiply
    540,852.04x = 811,298.31 × 161,777.71
  4. Step 4: Simplify right side
    540,852.04x = 131,249,982,718.67
  5. Step 5: Solve for x
    x = 131,249,982,718.67/540,852.04
  6. Step 6: Final answer
    x = 242,672.62

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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.