Home / 287,849.66-397,233.18-160,533.45

Finding the Fourth Proportional to 287,849.66, 397,233.18 and 160,533.45

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Solution

The fourth proportional to 287,849.66, 397,233.18 and 160,533.45 is: 221,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,849.66 : 397,233.18 = 160,533.45 : x
  2. Step 2: Convert to fraction form
    287,849.66/397,233.18 = 160,533.45/x
  3. Step 3: Cross multiply
    287,849.66x = 397,233.18 × 160,533.45
  4. Step 4: Simplify right side
    287,849.66x = 63,769,212,839.87
  5. Step 5: Solve for x
    x = 63,769,212,839.87/287,849.66
  6. Step 6: Final answer
    x = 221,536.53

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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.