Finding the Fourth Proportional to 353,266.24, 487,509.28 and 192,122.56
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Solution
The fourth proportional to 353,266.24, 487,509.28 and 192,122.56 is: 265,130.15
Step by Step Solution
- Step 1: Write the proportion equation
353,266.24 : 487,509.28 = 192,122.56 : x - Step 2: Convert to fraction form
353,266.24/487,509.28 = 192,122.56/x - Step 3: Cross multiply
353,266.24x = 487,509.28 × 192,122.56 - Step 4: Simplify right side
353,266.24x = 93,661,530,897.36 - Step 5: Solve for x
x = 93,661,530,897.36/353,266.24 - Step 6: Final answer
x = 265,130.15
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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.