Finding the Fourth Proportional to 149,219.82, 205,966.80 and 119,214.18
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Solution
The fourth proportional to 149,219.82, 205,966.80 and 119,214.18 is: 164,550.28
Step by Step Solution
- Step 1: Write the proportion equation
149,219.82 : 205,966.80 = 119,214.18 : x - Step 2: Convert to fraction form
149,219.82/205,966.80 = 119,214.18/x - Step 3: Cross multiply
149,219.82x = 205,966.80 × 119,214.18 - Step 4: Simplify right side
149,219.82x = 24,554,163,169.22 - Step 5: Solve for x
x = 24,554,163,169.22/149,219.82 - Step 6: Final answer
x = 164,550.28
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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.