Finding the Fourth Proportional to 399,981.28, 599,971.96 and 160,204.08
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Solution
The fourth proportional to 399,981.28, 599,971.96 and 160,204.08 is: 240,306.14
Step by Step Solution
- Step 1: Write the proportion equation
399,981.28 : 599,971.96 = 160,204.08 : x - Step 2: Convert to fraction form
399,981.28/599,971.96 = 160,204.08/x - Step 3: Cross multiply
399,981.28x = 599,971.96 × 160,204.08 - Step 4: Simplify right side
399,981.28x = 96,117,955,877.60 - Step 5: Solve for x
x = 96,117,955,877.60/399,981.28 - Step 6: Final answer
x = 240,306.14
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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.