Home / 262,541.04-393,811.56-144,960

Finding the Fourth Proportional to 262,541.04, 393,811.56 and 144,960

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Solution

The fourth proportional to 262,541.04, 393,811.56 and 144,960 is: 217,440

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,541.04 : 393,811.56 = 144,960 : x
  2. Step 2: Convert to fraction form
    262,541.04/393,811.56 = 144,960/x
  3. Step 3: Cross multiply
    262,541.04x = 393,811.56 × 144,960
  4. Step 4: Simplify right side
    262,541.04x = 57,086,923,737.60
  5. Step 5: Solve for x
    x = 57,086,923,737.60/262,541.04
  6. Step 6: Final answer
    x = 217,440

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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.