Home / 291,824.75-437,737.26-70,208.75

Finding the Fourth Proportional to 291,824.75, 437,737.26 and 70,208.75

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Solution

The fourth proportional to 291,824.75, 437,737.26 and 70,208.75 is: 105,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,824.75 : 437,737.26 = 70,208.75 : x
  2. Step 2: Convert to fraction form
    291,824.75/437,737.26 = 70,208.75/x
  3. Step 3: Cross multiply
    291,824.75x = 437,737.26 × 70,208.75
  4. Step 4: Simplify right side
    291,824.75x = 30,732,985,853.03
  5. Step 5: Solve for x
    x = 30,732,985,853.03/291,824.75
  6. Step 6: Final answer
    x = 105,313.16

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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.