Finding the Fourth Proportional to 353,190.19, 487,398.91 and 192,045.28
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Solution
The fourth proportional to 353,190.19, 487,398.91 and 192,045.28 is: 265,020.55
Step by Step Solution
- Step 1: Write the proportion equation
353,190.19 : 487,398.91 = 192,045.28 : x - Step 2: Convert to fraction form
353,190.19/487,398.91 = 192,045.28/x - Step 3: Cross multiply
353,190.19x = 487,398.91 × 192,045.28 - Step 4: Simplify right side
353,190.19x = 93,602,660,142.64 - Step 5: Solve for x
x = 93,602,660,142.64/353,190.19 - Step 6: Final answer
x = 265,020.55
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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.