Finding the Fourth Proportional to 199,740.40, 299,680.44 and 124,772.62
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Solution
The fourth proportional to 199,740.40, 299,680.44 and 124,772.62 is: 187,202.56
Step by Step Solution
- Step 1: Write the proportion equation
199,740.40 : 299,680.44 = 124,772.62 : x - Step 2: Convert to fraction form
199,740.40/299,680.44 = 124,772.62/x - Step 3: Cross multiply
199,740.40x = 299,680.44 × 124,772.62 - Step 4: Simplify right side
199,740.40x = 37,391,913,661.55 - Step 5: Solve for x
x = 37,391,913,661.55/199,740.40 - Step 6: Final answer
x = 187,202.56
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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.