Home / 281,330.01-388,266.62-160,501.10

Finding the Fourth Proportional to 281,330.01, 388,266.62 and 160,501.10

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Solution

The fourth proportional to 281,330.01, 388,266.62 and 160,501.10 is: 221,509.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,330.01 : 388,266.62 = 160,501.10 : x
  2. Step 2: Convert to fraction form
    281,330.01/388,266.62 = 160,501.10/x
  3. Step 3: Cross multiply
    281,330.01x = 388,266.62 × 160,501.10
  4. Step 4: Simplify right side
    281,330.01x = 62,317,216,859.44
  5. Step 5: Solve for x
    x = 62,317,216,859.44/281,330.01
  6. Step 6: Final answer
    x = 221,509.31

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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.