Home / 281,730.08-388,788.71-152,668.83

Finding the Fourth Proportional to 281,730.08, 388,788.71 and 152,668.83

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Solution

The fourth proportional to 281,730.08, 388,788.71 and 152,668.83 is: 210,683.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,730.08 : 388,788.71 = 152,668.83 : x
  2. Step 2: Convert to fraction form
    281,730.08/388,788.71 = 152,668.83/x
  3. Step 3: Cross multiply
    281,730.08x = 388,788.71 × 152,668.83
  4. Step 4: Simplify right side
    281,730.08x = 59,355,916,709.57
  5. Step 5: Solve for x
    x = 59,355,916,709.57/281,730.08
  6. Step 6: Final answer
    x = 210,683.64

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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.