Finding the Fourth Proportional to 283,516.70, 425,908.65 and 236,860.70
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Solution
The fourth proportional to 283,516.70, 425,908.65 and 236,860.70 is: 355,820.38
Step by Step Solution
- Step 1: Write the proportion equation
283,516.70 : 425,908.65 = 236,860.70 : x - Step 2: Convert to fraction form
283,516.70/425,908.65 = 236,860.70/x - Step 3: Cross multiply
283,516.70x = 425,908.65 × 236,860.70 - Step 4: Simplify right side
283,516.70x = 100,881,020,975.06 - Step 5: Solve for x
x = 100,881,020,975.06/283,516.70 - Step 6: Final answer
x = 355,820.38
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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.