Home / 219,360.96-302,564.16-151,405.20

Finding the Fourth Proportional to 219,360.96, 302,564.16 and 151,405.20

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Solution

The fourth proportional to 219,360.96, 302,564.16 and 151,405.20 is: 208,832.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,360.96 : 302,564.16 = 151,405.20 : x
  2. Step 2: Convert to fraction form
    219,360.96/302,564.16 = 151,405.20/x
  3. Step 3: Cross multiply
    219,360.96x = 302,564.16 × 151,405.20
  4. Step 4: Simplify right side
    219,360.96x = 45,809,787,157.63
  5. Step 5: Solve for x
    x = 45,809,787,157.63/219,360.96
  6. Step 6: Final answer
    x = 208,832.91

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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.