Home / 287,941.61-397,367.87-160,614.47

Finding the Fourth Proportional to 287,941.61, 397,367.87 and 160,614.47

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Solution

The fourth proportional to 287,941.61, 397,367.87 and 160,614.47 is: 221,652.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,941.61 : 397,367.87 = 160,614.47 : x
  2. Step 2: Convert to fraction form
    287,941.61/397,367.87 = 160,614.47/x
  3. Step 3: Cross multiply
    287,941.61x = 397,367.87 × 160,614.47
  4. Step 4: Simplify right side
    287,941.61x = 63,823,027,045.17
  5. Step 5: Solve for x
    x = 63,823,027,045.17/287,941.61
  6. Step 6: Final answer
    x = 221,652.68

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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.