Finding the Fourth Proportional to 302,855.68, 417,943.64 and 166,894.49
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Solution
The fourth proportional to 302,855.68, 417,943.64 and 166,894.49 is: 230,315.94
Step by Step Solution
- Step 1: Write the proportion equation
302,855.68 : 417,943.64 = 166,894.49 : x - Step 2: Convert to fraction form
302,855.68/417,943.64 = 166,894.49/x - Step 3: Cross multiply
302,855.68x = 417,943.64 × 166,894.49 - Step 4: Simplify right side
302,855.68x = 69,752,490,646.54 - Step 5: Solve for x
x = 69,752,490,646.54/302,855.68 - Step 6: Final answer
x = 230,315.94
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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.