Finding the Fourth Proportional to 168,604.68, 232,862.22 and 130,821.06
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Solution
The fourth proportional to 168,604.68, 232,862.22 and 130,821.06 is: 180,678.75
Step by Step Solution
- Step 1: Write the proportion equation
168,604.68 : 232,862.22 = 130,821.06 : x - Step 2: Convert to fraction form
168,604.68/232,862.22 = 130,821.06/x - Step 3: Cross multiply
168,604.68x = 232,862.22 × 130,821.06 - Step 4: Simplify right side
168,604.68x = 30,463,282,454.35 - Step 5: Solve for x
x = 30,463,282,454.35/168,604.68 - Step 6: Final answer
x = 180,678.75
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1.5x scale
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.