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Finding the Fourth Proportional to 194,980.56, 292,470.86 and 70,321.56

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Solution

The fourth proportional to 194,980.56, 292,470.86 and 70,321.56 is: 105,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,980.56 : 292,470.86 = 70,321.56 : x
  2. Step 2: Convert to fraction form
    194,980.56/292,470.86 = 70,321.56/x
  3. Step 3: Cross multiply
    194,980.56x = 292,470.86 × 70,321.56
  4. Step 4: Simplify right side
    194,980.56x = 20,567,007,129.74
  5. Step 5: Solve for x
    x = 20,567,007,129.74/194,980.56
  6. Step 6: Final answer
    x = 105,482.35

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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.