Home / 219,212.60-302,483.04-122,404.64

Finding the Fourth Proportional to 219,212.60, 302,483.04 and 122,404.64

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Solution

The fourth proportional to 219,212.60, 302,483.04 and 122,404.64 is: 168,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,212.60 : 302,483.04 = 122,404.64 : x
  2. Step 2: Convert to fraction form
    219,212.60/302,483.04 = 122,404.64/x
  3. Step 3: Cross multiply
    219,212.60x = 302,483.04 × 122,404.64
  4. Step 4: Simplify right side
    219,212.60x = 37,025,327,617.31
  5. Step 5: Solve for x
    x = 37,025,327,617.31/219,212.60
  6. Step 6: Final answer
    x = 168,901.46

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1.5x scale

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.