Home / 296,329.41-408,931.47-160,360.38

Finding the Fourth Proportional to 296,329.41, 408,931.47 and 160,360.38

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Solution

The fourth proportional to 296,329.41, 408,931.47 and 160,360.38 is: 221,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,329.41 : 408,931.47 = 160,360.38 : x
  2. Step 2: Convert to fraction form
    296,329.41/408,931.47 = 160,360.38/x
  3. Step 3: Cross multiply
    296,329.41x = 408,931.47 × 160,360.38
  4. Step 4: Simplify right side
    296,329.41x = 65,576,405,923.16
  5. Step 5: Solve for x
    x = 65,576,405,923.16/296,329.41
  6. Step 6: Final answer
    x = 221,295.64

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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.