Finding the Fourth Proportional to 387,330.60, 534,428.66 and 234,364.99
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Solution
The fourth proportional to 387,330.60, 534,428.66 and 234,364.99 is: 323,370.69
Step by Step Solution
- Step 1: Write the proportion equation
387,330.60 : 534,428.66 = 234,364.99 : x - Step 2: Convert to fraction form
387,330.60/534,428.66 = 234,364.99/x - Step 3: Cross multiply
387,330.60x = 534,428.66 × 234,364.99 - Step 4: Simplify right side
387,330.60x = 125,251,363,712.65 - Step 5: Solve for x
x = 125,251,363,712.65/387,330.60 - Step 6: Final answer
x = 323,370.69
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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.