Finding the Fourth Proportional to 450,124.19, 674,436.61 and 316,724.19
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Solution
The fourth proportional to 450,124.19, 674,436.61 and 316,724.19 is: 474,558.79
Step by Step Solution
- Step 1: Write the proportion equation
450,124.19 : 674,436.61 = 316,724.19 : x - Step 2: Convert to fraction form
450,124.19/674,436.61 = 316,724.19/x - Step 3: Cross multiply
450,124.19x = 674,436.61 × 316,724.19 - Step 4: Simplify right side
450,124.19x = 213,610,389,008.60 - Step 5: Solve for x
x = 213,610,389,008.60/450,124.19 - Step 6: Final answer
x = 474,558.79
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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.