Home / 219,409.14-302,806.96-158,205.66

Finding the Fourth Proportional to 219,409.14, 302,806.96 and 158,205.66

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Solution

The fourth proportional to 219,409.14, 302,806.96 and 158,205.66 is: 218,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,409.14 : 302,806.96 = 158,205.66 : x
  2. Step 2: Convert to fraction form
    219,409.14/302,806.96 = 158,205.66/x
  3. Step 3: Cross multiply
    219,409.14x = 302,806.96 × 158,205.66
  4. Step 4: Simplify right side
    219,409.14x = 47,905,774,959.39
  5. Step 5: Solve for x
    x = 47,905,774,959.39/219,409.14
  6. Step 6: Final answer
    x = 218,339.92

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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.