Finding the Fourth Proportional to 168,328.13, 232,292.81 and 92,876.63
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Solution
The fourth proportional to 168,328.13, 232,292.81 and 92,876.63 is: 128,169.74
Step by Step Solution
- Step 1: Write the proportion equation
168,328.13 : 232,292.81 = 92,876.63 : x - Step 2: Convert to fraction form
168,328.13/232,292.81 = 92,876.63/x - Step 3: Cross multiply
168,328.13x = 232,292.81 × 92,876.63 - Step 4: Simplify right side
168,328.13x = 21,574,572,436.76 - Step 5: Solve for x
x = 21,574,572,436.76/168,328.13 - Step 6: Final answer
x = 128,169.74
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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.