Home / 377,258.36-520,831.80-250,106.16

Finding the Fourth Proportional to 377,258.36, 520,831.80 and 250,106.16

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Solution

The fourth proportional to 377,258.36, 520,831.80 and 250,106.16 is: 345,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,258.36 : 520,831.80 = 250,106.16 : x
  2. Step 2: Convert to fraction form
    377,258.36/520,831.80 = 250,106.16/x
  3. Step 3: Cross multiply
    377,258.36x = 520,831.80 × 250,106.16
  4. Step 4: Simplify right side
    377,258.36x = 130,263,241,503.89
  5. Step 5: Solve for x
    x = 130,263,241,503.89/377,258.36
  6. Step 6: Final answer
    x = 345,289.21

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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.