Home / 219,429.60-302,604.84-151,337.76

Finding the Fourth Proportional to 219,429.60, 302,604.84 and 151,337.76

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Solution

The fourth proportional to 219,429.60, 302,604.84 and 151,337.76 is: 208,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,429.60 : 302,604.84 = 151,337.76 : x
  2. Step 2: Convert to fraction form
    219,429.60/302,604.84 = 151,337.76/x
  3. Step 3: Cross multiply
    219,429.60x = 302,604.84 × 151,337.76
  4. Step 4: Simplify right side
    219,429.60x = 45,795,538,650.76
  5. Step 5: Solve for x
    x = 45,795,538,650.76/219,429.60
  6. Step 6: Final answer
    x = 208,702.65

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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.