Finding the Fourth Proportional to 163,329.91, 225,430.91 and 117,511.99
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Solution
The fourth proportional to 163,329.91, 225,430.91 and 117,511.99 is: 162,192.18
Step by Step Solution
- Step 1: Write the proportion equation
163,329.91 : 225,430.91 = 117,511.99 : x - Step 2: Convert to fraction form
163,329.91/225,430.91 = 117,511.99/x - Step 3: Cross multiply
163,329.91x = 225,430.91 × 117,511.99 - Step 4: Simplify right side
163,329.91x = 26,490,834,254.05 - Step 5: Solve for x
x = 26,490,834,254.05/163,329.91 - Step 6: Final answer
x = 162,192.18
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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.