Finding the Fourth Proportional to 353,460.84, 487,761.36 and 192,316.54
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Solution
The fourth proportional to 353,460.84, 487,761.36 and 192,316.54 is: 265,388.88
Step by Step Solution
- Step 1: Write the proportion equation
353,460.84 : 487,761.36 = 192,316.54 : x - Step 2: Convert to fraction form
353,460.84/487,761.36 = 192,316.54/x - Step 3: Cross multiply
353,460.84x = 487,761.36 × 192,316.54 - Step 4: Simplify right side
353,460.84x = 93,804,577,100.89 - Step 5: Solve for x
x = 93,804,577,100.89/353,460.84 - Step 6: Final answer
x = 265,388.88
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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.