Home / 358,287.06-494,423.55-197,140.80

Finding the Fourth Proportional to 358,287.06, 494,423.55 and 197,140.80

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Solution

The fourth proportional to 358,287.06, 494,423.55 and 197,140.80 is: 272,047.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,287.06 : 494,423.55 = 197,140.80 : x
  2. Step 2: Convert to fraction form
    358,287.06/494,423.55 = 197,140.80/x
  3. Step 3: Cross multiply
    358,287.06x = 494,423.55 × 197,140.80
  4. Step 4: Simplify right side
    358,287.06x = 97,471,054,185.84
  5. Step 5: Solve for x
    x = 97,471,054,185.84/358,287.06
  6. Step 6: Final answer
    x = 272,047.38

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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.