Finding the Fourth Proportional to 121,118.19, 182,814.93 and 121,118.19
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Solution
The fourth proportional to 121,118.19, 182,814.93 and 121,118.19 is: 182,814.93
Step by Step Solution
- Step 1: Write the proportion equation
121,118.19 : 182,814.93 = 121,118.19 : x - Step 2: Convert to fraction form
121,118.19/182,814.93 = 121,118.19/x - Step 3: Cross multiply
121,118.19x = 182,814.93 × 121,118.19 - Step 4: Simplify right side
121,118.19x = 22,142,213,426.58 - Step 5: Solve for x
x = 22,142,213,426.58/121,118.19 - Step 6: Final answer
x = 182,814.93
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.