Finding the Fourth Proportional to 368,157.96, 551,515.23 and 190,781.33
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Solution
The fourth proportional to 368,157.96, 551,515.23 and 190,781.33 is: 285,797.99
Step by Step Solution
- Step 1: Write the proportion equation
368,157.96 : 551,515.23 = 190,781.33 : x - Step 2: Convert to fraction form
368,157.96/551,515.23 = 190,781.33/x - Step 3: Cross multiply
368,157.96x = 551,515.23 × 190,781.33 - Step 4: Simplify right side
368,157.96x = 105,218,806,337.08 - Step 5: Solve for x
x = 105,218,806,337.08/368,157.96 - Step 6: Final answer
x = 285,797.99
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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.