Finding the Fourth Proportional to 283,095.21, 390,674.12 and 155,773.54
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Solution
The fourth proportional to 283,095.21, 390,674.12 and 155,773.54 is: 214,968.99
Step by Step Solution
- Step 1: Write the proportion equation
283,095.21 : 390,674.12 = 155,773.54 : x - Step 2: Convert to fraction form
283,095.21/390,674.12 = 155,773.54/x - Step 3: Cross multiply
283,095.21x = 390,674.12 × 155,773.54 - Step 4: Simplify right side
283,095.21x = 60,856,690,802.88 - Step 5: Solve for x
x = 60,856,690,802.88/283,095.21 - Step 6: Final answer
x = 214,968.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.