Finding the Fourth Proportional to 353,533.98, 487,862.37 and 192,389.70
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Solution
The fourth proportional to 353,533.98, 487,862.37 and 192,389.70 is: 265,489.88
Step by Step Solution
- Step 1: Write the proportion equation
353,533.98 : 487,862.37 = 192,389.70 : x - Step 2: Convert to fraction form
353,533.98/487,862.37 = 192,389.70/x - Step 3: Cross multiply
353,533.98x = 487,862.37 × 192,389.70 - Step 4: Simplify right side
353,533.98x = 93,859,695,005.59 - Step 5: Solve for x
x = 93,859,695,005.59/353,533.98 - Step 6: Final answer
x = 265,489.88
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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.