Finding the Fourth Proportional to 247,188.40, 341,129.18 and 139,752.02
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Solution
The fourth proportional to 247,188.40, 341,129.18 and 139,752.02 is: 192,862.98
Step by Step Solution
- Step 1: Write the proportion equation
247,188.40 : 341,129.18 = 139,752.02 : x - Step 2: Convert to fraction form
247,188.40/341,129.18 = 139,752.02/x - Step 3: Cross multiply
247,188.40x = 341,129.18 × 139,752.02 - Step 4: Simplify right side
247,188.40x = 47,673,492,140.01 - Step 5: Solve for x
x = 47,673,492,140.01/247,188.40 - Step 6: Final answer
x = 192,862.98
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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.