Home / 257,211.40-355,124.96-160,562.41

Finding the Fourth Proportional to 257,211.40, 355,124.96 and 160,562.41

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Solution

The fourth proportional to 257,211.40, 355,124.96 and 160,562.41 is: 221,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,211.40 : 355,124.96 = 160,562.41 : x
  2. Step 2: Convert to fraction form
    257,211.40/355,124.96 = 160,562.41/x
  3. Step 3: Cross multiply
    257,211.40x = 355,124.96 × 160,562.41
  4. Step 4: Simplify right side
    257,211.40x = 57,019,719,428.75
  5. Step 5: Solve for x
    x = 57,019,719,428.75/257,211.40
  6. Step 6: Final answer
    x = 221,684.26

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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.