Home / 328,066.86-452,721.18-200,742.45

Finding the Fourth Proportional to 328,066.86, 452,721.18 and 200,742.45

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Solution

The fourth proportional to 328,066.86, 452,721.18 and 200,742.45 is: 277,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,066.86 : 452,721.18 = 200,742.45 : x
  2. Step 2: Convert to fraction form
    328,066.86/452,721.18 = 200,742.45/x
  3. Step 3: Cross multiply
    328,066.86x = 452,721.18 × 200,742.45
  4. Step 4: Simplify right side
    328,066.86x = 90,880,358,840.09
  5. Step 5: Solve for x
    x = 90,880,358,840.09/328,066.86
  6. Step 6: Final answer
    x = 277,017.80

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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.