Home / 260,366.08-390,044.75-147,705.51

Finding the Fourth Proportional to 260,366.08, 390,044.75 and 147,705.51

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Solution

The fourth proportional to 260,366.08, 390,044.75 and 147,705.51 is: 221,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,366.08 : 390,044.75 = 147,705.51 : x
  2. Step 2: Convert to fraction form
    260,366.08/390,044.75 = 147,705.51/x
  3. Step 3: Cross multiply
    260,366.08x = 390,044.75 × 147,705.51
  4. Step 4: Simplify right side
    260,366.08x = 57,611,758,721.57
  5. Step 5: Solve for x
    x = 57,611,758,721.57/260,366.08
  6. Step 6: Final answer
    x = 221,272.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.