Home / 379,844.34-569,556.16-155,362.40

Finding the Fourth Proportional to 379,844.34, 569,556.16 and 155,362.40

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Solution

The fourth proportional to 379,844.34, 569,556.16 and 155,362.40 is: 232,957.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,844.34 : 569,556.16 = 155,362.40 : x
  2. Step 2: Convert to fraction form
    379,844.34/569,556.16 = 155,362.40/x
  3. Step 3: Cross multiply
    379,844.34x = 569,556.16 × 155,362.40
  4. Step 4: Simplify right side
    379,844.34x = 88,487,614,055.79
  5. Step 5: Solve for x
    x = 88,487,614,055.79/379,844.34
  6. Step 6: Final answer
    x = 232,957.57

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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.