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Finding the Fourth Proportional to 379,450.40, 569,831.70 and 202,303.40

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Solution

The fourth proportional to 379,450.40, 569,831.70 and 202,303.40 is: 303,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,450.40 : 569,831.70 = 202,303.40 : x
  2. Step 2: Convert to fraction form
    379,450.40/569,831.70 = 202,303.40/x
  3. Step 3: Cross multiply
    379,450.40x = 569,831.70 × 202,303.40
  4. Step 4: Simplify right side
    379,450.40x = 115,278,890,337.78
  5. Step 5: Solve for x
    x = 115,278,890,337.78/379,450.40
  6. Step 6: Final answer
    x = 303,804.90

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1.5x scale

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.