Home / 281,084.18-387,905.36-160,223.27

Finding the Fourth Proportional to 281,084.18, 387,905.36 and 160,223.27

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Solution

The fourth proportional to 281,084.18, 387,905.36 and 160,223.27 is: 221,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,084.18 : 387,905.36 = 160,223.27 : x
  2. Step 2: Convert to fraction form
    281,084.18/387,905.36 = 160,223.27/x
  3. Step 3: Cross multiply
    281,084.18x = 387,905.36 × 160,223.27
  4. Step 4: Simplify right side
    281,084.18x = 62,151,462,489.08
  5. Step 5: Solve for x
    x = 62,151,462,489.08/281,084.18
  6. Step 6: Final answer
    x = 221,113.35

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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.