Finding the Fourth Proportional to 141,007.35, 211,400.09 and 69,881.09
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Solution
The fourth proportional to 141,007.35, 211,400.09 and 69,881.09 is: 104,766.65
Step by Step Solution
- Step 1: Write the proportion equation
141,007.35 : 211,400.09 = 69,881.09 : x - Step 2: Convert to fraction form
141,007.35/211,400.09 = 69,881.09/x - Step 3: Cross multiply
141,007.35x = 211,400.09 × 69,881.09 - Step 4: Simplify right side
141,007.35x = 14,772,868,365.89 - Step 5: Solve for x
x = 14,772,868,365.89/141,007.35 - Step 6: Final answer
x = 104,766.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.