Finding the Fourth Proportional to 546,722.57, 819,990.36 and 147,269.93
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Solution
The fourth proportional to 546,722.57, 819,990.36 and 147,269.93 is: 220,879.70
Step by Step Solution
- Step 1: Write the proportion equation
546,722.57 : 819,990.36 = 147,269.93 : x - Step 2: Convert to fraction form
546,722.57/819,990.36 = 147,269.93/x - Step 3: Cross multiply
546,722.57x = 819,990.36 × 147,269.93 - Step 4: Simplify right side
546,722.57x = 120,759,918,817.92 - Step 5: Solve for x
x = 120,759,918,817.92/546,722.57 - Step 6: Final answer
x = 220,879.70
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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.