Finding the Fourth Proportional to 397,988.60, 596,108.10 and 161,209.40
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Solution
The fourth proportional to 397,988.60, 596,108.10 and 161,209.40 is: 241,459.75
Step by Step Solution
- Step 1: Write the proportion equation
397,988.60 : 596,108.10 = 161,209.40 : x - Step 2: Convert to fraction form
397,988.60/596,108.10 = 161,209.40/x - Step 3: Cross multiply
397,988.60x = 596,108.10 × 161,209.40 - Step 4: Simplify right side
397,988.60x = 96,098,229,136.14 - Step 5: Solve for x
x = 96,098,229,136.14/397,988.60 - Step 6: Final answer
x = 241,459.75
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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.