Home / 287,935.62-397,359.57-160,608.46

Finding the Fourth Proportional to 287,935.62, 397,359.57 and 160,608.46

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Solution

The fourth proportional to 287,935.62, 397,359.57 and 160,608.46 is: 221,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,935.62 : 397,359.57 = 160,608.46 : x
  2. Step 2: Convert to fraction form
    287,935.62/397,359.57 = 160,608.46/x
  3. Step 3: Cross multiply
    287,935.62x = 397,359.57 × 160,608.46
  4. Step 4: Simplify right side
    287,935.62x = 63,819,308,603.96
  5. Step 5: Solve for x
    x = 63,819,308,603.96/287,935.62
  6. Step 6: Final answer
    x = 221,644.37

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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.