Home / 379,731.42-569,597.64-155,091.84

Finding the Fourth Proportional to 379,731.42, 569,597.64 and 155,091.84

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Solution

The fourth proportional to 379,731.42, 569,597.64 and 155,091.84 is: 232,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,731.42 : 569,597.64 = 155,091.84 : x
  2. Step 2: Convert to fraction form
    379,731.42/569,597.64 = 155,091.84/x
  3. Step 3: Cross multiply
    379,731.42x = 569,597.64 × 155,091.84
  4. Step 4: Simplify right side
    379,731.42x = 88,339,946,047.26
  5. Step 5: Solve for x
    x = 88,339,946,047.26/379,731.42
  6. Step 6: Final answer
    x = 232,637.97

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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.