Home / 307,871.01-461,875.77-108,205.20

Finding the Fourth Proportional to 307,871.01, 461,875.77 and 108,205.20

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Solution

The fourth proportional to 307,871.01, 461,875.77 and 108,205.20 is: 162,332.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,871.01 : 461,875.77 = 108,205.20 : x
  2. Step 2: Convert to fraction form
    307,871.01/461,875.77 = 108,205.20/x
  3. Step 3: Cross multiply
    307,871.01x = 461,875.77 × 108,205.20
  4. Step 4: Simplify right side
    307,871.01x = 49,977,360,068.00
  5. Step 5: Solve for x
    x = 49,977,360,068.00/307,871.01
  6. Step 6: Final answer
    x = 162,332.14

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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.