Finding the Fourth Proportional to 813,543.02, 1,220,175.80 and 214,510.08
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Solution
The fourth proportional to 813,543.02, 1,220,175.80 and 214,510.08 is: 321,728.54
Step by Step Solution
- Step 1: Write the proportion equation
813,543.02 : 1,220,175.80 = 214,510.08 : x - Step 2: Convert to fraction form
813,543.02/1,220,175.80 = 214,510.08/x - Step 3: Cross multiply
813,543.02x = 1,220,175.80 × 214,510.08 - Step 4: Simplify right side
813,543.02x = 261,740,008,472.06 - Step 5: Solve for x
x = 261,740,008,472.06/813,543.02 - Step 6: Final answer
x = 321,728.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.