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Finding the Fourth Proportional to 319,597.72, 479,272.04 and 119,809.13

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Solution

The fourth proportional to 319,597.72, 479,272.04 and 119,809.13 is: 179,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,597.72 : 479,272.04 = 119,809.13 : x
  2. Step 2: Convert to fraction form
    319,597.72/479,272.04 = 119,809.13/x
  3. Step 3: Cross multiply
    319,597.72x = 479,272.04 × 119,809.13
  4. Step 4: Simplify right side
    319,597.72x = 57,421,163,599.60
  5. Step 5: Solve for x
    x = 57,421,163,599.60/319,597.72
  6. Step 6: Final answer
    x = 179,667.00

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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.