Home / 379,295.16-523,442.35-218,150.01

Finding the Fourth Proportional to 379,295.16, 523,442.35 and 218,150.01

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Solution

The fourth proportional to 379,295.16, 523,442.35 and 218,150.01 is: 301,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,295.16 : 523,442.35 = 218,150.01 : x
  2. Step 2: Convert to fraction form
    379,295.16/523,442.35 = 218,150.01/x
  3. Step 3: Cross multiply
    379,295.16x = 523,442.35 × 218,150.01
  4. Step 4: Simplify right side
    379,295.16x = 114,188,954,159.61
  5. Step 5: Solve for x
    x = 114,188,954,159.61/379,295.16
  6. Step 6: Final answer
    x = 301,055.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.