Home / 287,696.28-397,006.34-160,347.27

Finding the Fourth Proportional to 287,696.28, 397,006.34 and 160,347.27

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Solution

The fourth proportional to 287,696.28, 397,006.34 and 160,347.27 is: 221,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,696.28 : 397,006.34 = 160,347.27 : x
  2. Step 2: Convert to fraction form
    287,696.28/397,006.34 = 160,347.27/x
  3. Step 3: Cross multiply
    287,696.28x = 397,006.34 × 160,347.27
  4. Step 4: Simplify right side
    287,696.28x = 63,658,881,989.96
  5. Step 5: Solve for x
    x = 63,658,881,989.96/287,696.28
  6. Step 6: Final answer
    x = 221,271.13

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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.