Home / 460,119.20-690,202.20-144,579.20

Finding the Fourth Proportional to 460,119.20, 690,202.20 and 144,579.20

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Solution

The fourth proportional to 460,119.20, 690,202.20 and 144,579.20 is: 216,876.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,119.20 : 690,202.20 = 144,579.20 : x
  2. Step 2: Convert to fraction form
    460,119.20/690,202.20 = 144,579.20/x
  3. Step 3: Cross multiply
    460,119.20x = 690,202.20 × 144,579.20
  4. Step 4: Simplify right side
    460,119.20x = 99,788,881,914.24
  5. Step 5: Solve for x
    x = 99,788,881,914.24/460,119.20
  6. Step 6: Final answer
    x = 216,876.15

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1.5x scale

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.