Home / 371,330.40-556,995.60-90,847.65

Finding the Fourth Proportional to 371,330.40, 556,995.60 and 90,847.65

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Solution

The fourth proportional to 371,330.40, 556,995.60 and 90,847.65 is: 136,271.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,330.40 : 556,995.60 = 90,847.65 : x
  2. Step 2: Convert to fraction form
    371,330.40/556,995.60 = 90,847.65/x
  3. Step 3: Cross multiply
    371,330.40x = 556,995.60 × 90,847.65
  4. Step 4: Simplify right side
    371,330.40x = 50,601,741,320.34
  5. Step 5: Solve for x
    x = 50,601,741,320.34/371,330.40
  6. Step 6: Final answer
    x = 136,271.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.