Finding the Fourth Proportional to 325,565.20, 488,420.70 and 125,867.80
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Solution
The fourth proportional to 325,565.20, 488,420.70 and 125,867.80 is: 188,829.88
Step by Step Solution
- Step 1: Write the proportion equation
325,565.20 : 488,420.70 = 125,867.80 : x - Step 2: Convert to fraction form
325,565.20/488,420.70 = 125,867.80/x - Step 3: Cross multiply
325,565.20x = 488,420.70 × 125,867.80 - Step 4: Simplify right side
325,565.20x = 61,476,438,983.46 - Step 5: Solve for x
x = 61,476,438,983.46/325,565.20 - Step 6: Final answer
x = 188,829.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.