Finding the Fourth Proportional to 434,854.70, 652,343.57 and 135,365.54
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Solution
The fourth proportional to 434,854.70, 652,343.57 and 135,365.54 is: 203,067.45
Step by Step Solution
- Step 1: Write the proportion equation
434,854.70 : 652,343.57 = 135,365.54 : x - Step 2: Convert to fraction form
434,854.70/652,343.57 = 135,365.54/x - Step 3: Cross multiply
434,854.70x = 652,343.57 × 135,365.54 - Step 4: Simplify right side
434,854.70x = 88,304,835,680.03 - Step 5: Solve for x
x = 88,304,835,680.03/434,854.70 - Step 6: Final answer
x = 203,067.45
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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.