Home / 379,964.22-569,762.26-155,235.40

Finding the Fourth Proportional to 379,964.22, 569,762.26 and 155,235.40

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Solution

The fourth proportional to 379,964.22, 569,762.26 and 155,235.40 is: 232,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,964.22 : 569,762.26 = 155,235.40 : x
  2. Step 2: Convert to fraction form
    379,964.22/569,762.26 = 155,235.40/x
  3. Step 3: Cross multiply
    379,964.22x = 569,762.26 × 155,235.40
  4. Step 4: Simplify right side
    379,964.22x = 88,447,272,336.00
  5. Step 5: Solve for x
    x = 88,447,272,336.00/379,964.22
  6. Step 6: Final answer
    x = 232,777.90

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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.