Finding the Fourth Proportional to 347,947.07, 480,159.11 and 202,743.86
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Solution
The fourth proportional to 347,947.07, 480,159.11 and 202,743.86 is: 279,781.95
Step by Step Solution
- Step 1: Write the proportion equation
347,947.07 : 480,159.11 = 202,743.86 : x - Step 2: Convert to fraction form
347,947.07/480,159.11 = 202,743.86/x - Step 3: Cross multiply
347,947.07x = 480,159.11 × 202,743.86 - Step 4: Simplify right side
347,947.07x = 97,349,309,481.63 - Step 5: Solve for x
x = 97,349,309,481.63/347,947.07 - Step 6: Final answer
x = 279,781.95
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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.