Home / 242,030.72-362,302.96-219,221.12

Finding the Fourth Proportional to 242,030.72, 362,302.96 and 219,221.12

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Solution

The fourth proportional to 242,030.72, 362,302.96 and 219,221.12 is: 328,158.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,030.72 : 362,302.96 = 219,221.12 : x
  2. Step 2: Convert to fraction form
    242,030.72/362,302.96 = 219,221.12/x
  3. Step 3: Cross multiply
    242,030.72x = 362,302.96 × 219,221.12
  4. Step 4: Simplify right side
    242,030.72x = 79,424,460,670.52
  5. Step 5: Solve for x
    x = 79,424,460,670.52/242,030.72
  6. Step 6: Final answer
    x = 328,158.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.