Finding the Fourth Proportional to 338,551.84, 507,843.96 and 279,277.66
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Solution
The fourth proportional to 338,551.84, 507,843.96 and 279,277.66 is: 418,929.85
Step by Step Solution
- Step 1: Write the proportion equation
338,551.84 : 507,843.96 = 279,277.66 : x - Step 2: Convert to fraction form
338,551.84/507,843.96 = 279,277.66/x - Step 3: Cross multiply
338,551.84x = 507,843.96 × 279,277.66 - Step 4: Simplify right side
338,551.84x = 141,829,472,793.93 - Step 5: Solve for x
x = 141,829,472,793.93/338,551.84 - Step 6: Final answer
x = 418,929.85
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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.