Finding the Fourth Proportional to 610,678.63, 842,750.02 and 338,737.67
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Solution
The fourth proportional to 610,678.63, 842,750.02 and 338,737.67 is: 467,465.48
Step by Step Solution
- Step 1: Write the proportion equation
610,678.63 : 842,750.02 = 338,737.67 : x - Step 2: Convert to fraction form
610,678.63/842,750.02 = 338,737.67/x - Step 3: Cross multiply
610,678.63x = 842,750.02 × 338,737.67 - Step 4: Simplify right side
610,678.63x = 285,471,178,167.25 - Step 5: Solve for x
x = 285,471,178,167.25/610,678.63 - Step 6: Final answer
x = 467,465.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.