Finding the Fourth Proportional to 247,366.84, 341,366.36 and 139,934.60
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Solution
The fourth proportional to 247,366.84, 341,366.36 and 139,934.60 is: 193,109.82
Step by Step Solution
- Step 1: Write the proportion equation
247,366.84 : 341,366.36 = 139,934.60 : x - Step 2: Convert to fraction form
247,366.84/341,366.36 = 139,934.60/x - Step 3: Cross multiply
247,366.84x = 341,366.36 × 139,934.60 - Step 4: Simplify right side
247,366.84x = 47,768,965,040.06 - Step 5: Solve for x
x = 47,768,965,040.06/247,366.84 - Step 6: Final answer
x = 193,109.82
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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.