Home / 281,350.49-388,300.63-160,464.06

Finding the Fourth Proportional to 281,350.49, 388,300.63 and 160,464.06

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Solution

The fourth proportional to 281,350.49, 388,300.63 and 160,464.06 is: 221,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,350.49 : 388,300.63 = 160,464.06 : x
  2. Step 2: Convert to fraction form
    281,350.49/388,300.63 = 160,464.06/x
  3. Step 3: Cross multiply
    281,350.49x = 388,300.63 × 160,464.06
  4. Step 4: Simplify right side
    281,350.49x = 62,308,295,590.36
  5. Step 5: Solve for x
    x = 62,308,295,590.36/281,350.49
  6. Step 6: Final answer
    x = 221,461.48

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1.5x scale

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.