Home / 460,171.40-690,264.24-144,628.31

Finding the Fourth Proportional to 460,171.40, 690,264.24 and 144,628.31

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Solution

The fourth proportional to 460,171.40, 690,264.24 and 144,628.31 is: 216,944.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,171.40 : 690,264.24 = 144,628.31 : x
  2. Step 2: Convert to fraction form
    460,171.40/690,264.24 = 144,628.31/x
  3. Step 3: Cross multiply
    460,171.40x = 690,264.24 × 144,628.31
  4. Step 4: Simplify right side
    460,171.40x = 99,831,750,484.63
  5. Step 5: Solve for x
    x = 99,831,750,484.63/460,171.40
  6. Step 6: Final answer
    x = 216,944.71

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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.