Finding the Fourth Proportional to 482,913.84, 666,387.75 and 268,036.99
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Solution
The fourth proportional to 482,913.84, 666,387.75 and 268,036.99 is: 369,872.54
Step by Step Solution
- Step 1: Write the proportion equation
482,913.84 : 666,387.75 = 268,036.99 : x - Step 2: Convert to fraction form
482,913.84/666,387.75 = 268,036.99/x - Step 3: Cross multiply
482,913.84x = 666,387.75 × 268,036.99 - Step 4: Simplify right side
482,913.84x = 178,616,567,417.29 - Step 5: Solve for x
x = 178,616,567,417.29/482,913.84 - Step 6: Final answer
x = 369,872.54
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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.