Finding the Fourth Proportional to 551,903.94, 762,205.68 and 380,268.18
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Solution
The fourth proportional to 551,903.94, 762,205.68 and 380,268.18 is: 525,168.50
Step by Step Solution
- Step 1: Write the proportion equation
551,903.94 : 762,205.68 = 380,268.18 : x - Step 2: Convert to fraction form
551,903.94/762,205.68 = 380,268.18/x - Step 3: Cross multiply
551,903.94x = 762,205.68 × 380,268.18 - Step 4: Simplify right side
551,903.94x = 289,842,566,719.26 - Step 5: Solve for x
x = 289,842,566,719.26/551,903.94 - Step 6: Final answer
x = 525,168.50
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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.