Home / 268,133.17-369,933.73-151,830.81

Finding the Fourth Proportional to 268,133.17, 369,933.73 and 151,830.81

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Solution

The fourth proportional to 268,133.17, 369,933.73 and 151,830.81 is: 209,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,133.17 : 369,933.73 = 151,830.81 : x
  2. Step 2: Convert to fraction form
    268,133.17/369,933.73 = 151,830.81/x
  3. Step 3: Cross multiply
    268,133.17x = 369,933.73 × 151,830.81
  4. Step 4: Simplify right side
    268,133.17x = 56,167,337,872.22
  5. Step 5: Solve for x
    x = 56,167,337,872.22/268,133.17
  6. Step 6: Final answer
    x = 209,475.53

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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.