Finding the Fourth Proportional to 247,818.40, 341,989.76 and 134,641.12
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Solution
The fourth proportional to 247,818.40, 341,989.76 and 134,641.12 is: 185,804.95
Step by Step Solution
- Step 1: Write the proportion equation
247,818.40 : 341,989.76 = 134,641.12 : x - Step 2: Convert to fraction form
247,818.40/341,989.76 = 134,641.12/x - Step 3: Cross multiply
247,818.40x = 341,989.76 × 134,641.12 - Step 4: Simplify right side
247,818.40x = 46,045,884,314.93 - Step 5: Solve for x
x = 46,045,884,314.93/247,818.40 - Step 6: Final answer
x = 185,804.95
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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.