Home / 395,581.40-545,903.99-214,293.32

Finding the Fourth Proportional to 395,581.40, 545,903.99 and 214,293.32

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Solution

The fourth proportional to 395,581.40, 545,903.99 and 214,293.32 is: 295,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,581.40 : 545,903.99 = 214,293.32 : x
  2. Step 2: Convert to fraction form
    395,581.40/545,903.99 = 214,293.32/x
  3. Step 3: Cross multiply
    395,581.40x = 545,903.99 × 214,293.32
  4. Step 4: Simplify right side
    395,581.40x = 116,983,574,617.36
  5. Step 5: Solve for x
    x = 116,983,574,617.36/395,581.40
  6. Step 6: Final answer
    x = 295,725.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.