Home / 247,056.22-370,416.60-78,526

Finding the Fourth Proportional to 247,056.22, 370,416.60 and 78,526

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Solution

The fourth proportional to 247,056.22, 370,416.60 and 78,526 is: 117,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,056.22 : 370,416.60 = 78,526 : x
  2. Step 2: Convert to fraction form
    247,056.22/370,416.60 = 78,526/x
  3. Step 3: Cross multiply
    247,056.22x = 370,416.60 × 78,526
  4. Step 4: Simplify right side
    247,056.22x = 29,087,333,931.60
  5. Step 5: Solve for x
    x = 29,087,333,931.60/247,056.22
  6. Step 6: Final answer
    x = 117,735.69

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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.