Home / 262,475.07-393,886.31-144,228.75

Finding the Fourth Proportional to 262,475.07, 393,886.31 and 144,228.75

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Solution

The fourth proportional to 262,475.07, 393,886.31 and 144,228.75 is: 216,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,475.07 : 393,886.31 = 144,228.75 : x
  2. Step 2: Convert to fraction form
    262,475.07/393,886.31 = 144,228.75/x
  3. Step 3: Cross multiply
    262,475.07x = 393,886.31 × 144,228.75
  4. Step 4: Simplify right side
    262,475.07x = 56,809,730,133.41
  5. Step 5: Solve for x
    x = 56,809,730,133.41/262,475.07
  6. Step 6: Final answer
    x = 216,438.58

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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.