Home / 379,957.37-569,725.45-155,475.18

Finding the Fourth Proportional to 379,957.37, 569,725.45 and 155,475.18

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Solution

The fourth proportional to 379,957.37, 569,725.45 and 155,475.18 is: 233,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,957.37 : 569,725.45 = 155,475.18 : x
  2. Step 2: Convert to fraction form
    379,957.37/569,725.45 = 155,475.18/x
  3. Step 3: Cross multiply
    379,957.37x = 569,725.45 × 155,475.18
  4. Step 4: Simplify right side
    379,957.37x = 88,578,166,500.64
  5. Step 5: Solve for x
    x = 88,578,166,500.64/379,957.37
  6. Step 6: Final answer
    x = 233,126.59

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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.