Finding the Fourth Proportional to 230,249.94, 317,657.58 and 139,572.84
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Solution
The fourth proportional to 230,249.94, 317,657.58 and 139,572.84 is: 192,557.58
Step by Step Solution
- Step 1: Write the proportion equation
230,249.94 : 317,657.58 = 139,572.84 : x - Step 2: Convert to fraction form
230,249.94/317,657.58 = 139,572.84/x - Step 3: Cross multiply
230,249.94x = 317,657.58 × 139,572.84 - Step 4: Simplify right side
230,249.94x = 44,336,370,588.13 - Step 5: Solve for x
x = 44,336,370,588.13/230,249.94 - Step 6: Final answer
x = 192,557.58
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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.