Home / 281,647.24-388,688.76-160,827.34

Finding the Fourth Proportional to 281,647.24, 388,688.76 and 160,827.34

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Solution

The fourth proportional to 281,647.24, 388,688.76 and 160,827.34 is: 221,950.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,647.24 : 388,688.76 = 160,827.34 : x
  2. Step 2: Convert to fraction form
    281,647.24/388,688.76 = 160,827.34/x
  3. Step 3: Cross multiply
    281,647.24x = 388,688.76 × 160,827.34
  4. Step 4: Simplify right side
    281,647.24x = 62,511,779,358.70
  5. Step 5: Solve for x
    x = 62,511,779,358.70/281,647.24
  6. Step 6: Final answer
    x = 221,950.62

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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.