Finding the Fourth Proportional to 614,139.96, 847,575.48 and 342,252.12
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Solution
The fourth proportional to 614,139.96, 847,575.48 and 342,252.12 is: 472,342.66
Step by Step Solution
- Step 1: Write the proportion equation
614,139.96 : 847,575.48 = 342,252.12 : x - Step 2: Convert to fraction form
614,139.96/847,575.48 = 342,252.12/x - Step 3: Cross multiply
614,139.96x = 847,575.48 × 342,252.12 - Step 4: Simplify right side
614,139.96x = 290,084,504,890.02 - Step 5: Solve for x
x = 290,084,504,890.02/614,139.96 - Step 6: Final answer
x = 472,342.66
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1.5x scale
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.