Finding the Fourth Proportional to 247,267,663.52, 341,212,306.44 and 137,250,716
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Solution
The fourth proportional to 247,267,663.52, 341,212,306.44 and 137,250,716 is: 189,396,513.48
Step by Step Solution
- Step 1: Write the proportion equation
247,267,663.52 : 341,212,306.44 = 137,250,716 : x - Step 2: Convert to fraction form
247,267,663.52/341,212,306.44 = 137,250,716/x - Step 3: Cross multiply
247,267,663.52x = 341,212,306.44 × 137,250,716 - Step 4: Simplify right side
247,267,663.52x = 46,831,633,366,901,408 - Step 5: Solve for x
x = 46,831,633,366,901,408/247,267,663.52 - Step 6: Final answer
x = 189,396,513.48
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1.5x scale
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.