Finding the Fourth Proportional to 112,444.98, 168,691.77 and 42,324.09
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Solution
The fourth proportional to 112,444.98, 168,691.77 and 42,324.09 is: 63,495.28
Step by Step Solution
- Step 1: Write the proportion equation
112,444.98 : 168,691.77 = 42,324.09 : x - Step 2: Convert to fraction form
112,444.98/168,691.77 = 42,324.09/x - Step 3: Cross multiply
112,444.98x = 168,691.77 × 42,324.09 - Step 4: Simplify right side
112,444.98x = 7,139,725,655.74 - Step 5: Solve for x
x = 7,139,725,655.74/112,444.98 - Step 6: Final answer
x = 63,495.28
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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.