Home / 262,404.48-393,557.76-70,281.12

Finding the Fourth Proportional to 262,404.48, 393,557.76 and 70,281.12

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Solution

The fourth proportional to 262,404.48, 393,557.76 and 70,281.12 is: 105,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,404.48 : 393,557.76 = 70,281.12 : x
  2. Step 2: Convert to fraction form
    262,404.48/393,557.76 = 70,281.12/x
  3. Step 3: Cross multiply
    262,404.48x = 393,557.76 × 70,281.12
  4. Step 4: Simplify right side
    262,404.48x = 27,659,680,157.49
  5. Step 5: Solve for x
    x = 27,659,680,157.49/262,404.48
  6. Step 6: Final answer
    x = 105,408.57

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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.