Home / 355,311.34-490,336.06-194,173.18

Finding the Fourth Proportional to 355,311.34, 490,336.06 and 194,173.18

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Solution

The fourth proportional to 355,311.34, 490,336.06 and 194,173.18 is: 267,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,311.34 : 490,336.06 = 194,173.18 : x
  2. Step 2: Convert to fraction form
    355,311.34/490,336.06 = 194,173.18/x
  3. Step 3: Cross multiply
    355,311.34x = 490,336.06 × 194,173.18
  4. Step 4: Simplify right side
    355,311.34x = 95,210,112,038.87
  5. Step 5: Solve for x
    x = 95,210,112,038.87/355,311.34
  6. Step 6: Final answer
    x = 267,962.49

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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.