Finding the Fourth Proportional to 247,074.74, 340,963.44 and 133,897.49
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Solution
The fourth proportional to 247,074.74, 340,963.44 and 133,897.49 is: 184,778.70
Step by Step Solution
- Step 1: Write the proportion equation
247,074.74 : 340,963.44 = 133,897.49 : x - Step 2: Convert to fraction form
247,074.74/340,963.44 = 133,897.49/x - Step 3: Cross multiply
247,074.74x = 340,963.44 × 133,897.49 - Step 4: Simplify right side
247,074.74x = 45,654,149,650.17 - Step 5: Solve for x
x = 45,654,149,650.17/247,074.74 - Step 6: Final answer
x = 184,778.70
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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.