Finding the Fourth Proportional to 702,081.84, 1,053,232.05 and 228,657.06
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Solution
The fourth proportional to 702,081.84, 1,053,232.05 and 228,657.06 is: 343,021.18
Step by Step Solution
- Step 1: Write the proportion equation
702,081.84 : 1,053,232.05 = 228,657.06 : x - Step 2: Convert to fraction form
702,081.84/1,053,232.05 = 228,657.06/x - Step 3: Cross multiply
702,081.84x = 1,053,232.05 × 228,657.06 - Step 4: Simplify right side
702,081.84x = 240,828,944,050.77 - Step 5: Solve for x
x = 240,828,944,050.77/702,081.84 - Step 6: Final answer
x = 343,021.18
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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.