Home / 400,152.12-552,133.53-228,066.81

Finding the Fourth Proportional to 400,152.12, 552,133.53 and 228,066.81

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Solution

The fourth proportional to 400,152.12, 552,133.53 and 228,066.81 is: 314,688.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,152.12 : 552,133.53 = 228,066.81 : x
  2. Step 2: Convert to fraction form
    400,152.12/552,133.53 = 228,066.81/x
  3. Step 3: Cross multiply
    400,152.12x = 552,133.53 × 228,066.81
  4. Step 4: Simplify right side
    400,152.12x = 125,923,332,881.14
  5. Step 5: Solve for x
    x = 125,923,332,881.14/400,152.12
  6. Step 6: Final answer
    x = 314,688.66

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1.5x scale

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.