Finding the Fourth Proportional to 656,705.06, 985,113.47 and 207,305.70
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Solution
The fourth proportional to 656,705.06, 985,113.47 and 207,305.70 is: 310,976.19
Step by Step Solution
- Step 1: Write the proportion equation
656,705.06 : 985,113.47 = 207,305.70 : x - Step 2: Convert to fraction form
656,705.06/985,113.47 = 207,305.70/x - Step 3: Cross multiply
656,705.06x = 985,113.47 × 207,305.70 - Step 4: Simplify right side
656,705.06x = 204,219,637,477.78 - Step 5: Solve for x
x = 204,219,637,477.78/656,705.06 - Step 6: Final answer
x = 310,976.19
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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.