Finding the Fourth Proportional to 605,382.18, 907,650.45 and 268,239.75
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Solution
The fourth proportional to 605,382.18, 907,650.45 and 268,239.75 is: 402,172.28
Step by Step Solution
- Step 1: Write the proportion equation
605,382.18 : 907,650.45 = 268,239.75 : x - Step 2: Convert to fraction form
605,382.18/907,650.45 = 268,239.75/x - Step 3: Cross multiply
605,382.18x = 907,650.45 × 268,239.75 - Step 4: Simplify right side
605,382.18x = 243,467,929,795.39 - Step 5: Solve for x
x = 243,467,929,795.39/605,382.18 - Step 6: Final answer
x = 402,172.28
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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.