Finding the Fourth Proportional to 343,670.99, 474,276.84 and 198,474.15
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Solution
The fourth proportional to 343,670.99, 474,276.84 and 198,474.15 is: 273,900.61
Step by Step Solution
- Step 1: Write the proportion equation
343,670.99 : 474,276.84 = 198,474.15 : x - Step 2: Convert to fraction form
343,670.99/474,276.84 = 198,474.15/x - Step 3: Cross multiply
343,670.99x = 474,276.84 × 198,474.15 - Step 4: Simplify right side
343,670.99x = 94,131,692,683.69 - Step 5: Solve for x
x = 94,131,692,683.69/343,670.99 - Step 6: Final answer
x = 273,900.61
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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.