Home / 262,411.20-393,908.40-144,313.20

Finding the Fourth Proportional to 262,411.20, 393,908.40 and 144,313.20

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Solution

The fourth proportional to 262,411.20, 393,908.40 and 144,313.20 is: 216,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,411.20 : 393,908.40 = 144,313.20 : x
  2. Step 2: Convert to fraction form
    262,411.20/393,908.40 = 144,313.20/x
  3. Step 3: Cross multiply
    262,411.20x = 393,908.40 × 144,313.20
  4. Step 4: Simplify right side
    262,411.20x = 56,846,181,710.88
  5. Step 5: Solve for x
    x = 56,846,181,710.88/262,411.20
  6. Step 6: Final answer
    x = 216,630.17

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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.