Home / 296,328.72-408,933.61-160,362.66

Finding the Fourth Proportional to 296,328.72, 408,933.61 and 160,362.66

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Solution

The fourth proportional to 296,328.72, 408,933.61 and 160,362.66 is: 221,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,328.72 : 408,933.61 = 160,362.66 : x
  2. Step 2: Convert to fraction form
    296,328.72/408,933.61 = 160,362.66/x
  3. Step 3: Cross multiply
    296,328.72x = 408,933.61 × 160,362.66
  4. Step 4: Simplify right side
    296,328.72x = 65,577,681,463.00
  5. Step 5: Solve for x
    x = 65,577,681,463.00/296,328.72
  6. Step 6: Final answer
    x = 221,300.46

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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.