Finding the Fourth Proportional to 190,106.73, 262,374.99 and 109,518.75
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Solution
The fourth proportional to 190,106.73, 262,374.99 and 109,518.75 is: 151,151.83
Step by Step Solution
- Step 1: Write the proportion equation
190,106.73 : 262,374.99 = 109,518.75 : x - Step 2: Convert to fraction form
190,106.73/262,374.99 = 109,518.75/x - Step 3: Cross multiply
190,106.73x = 262,374.99 × 109,518.75 - Step 4: Simplify right side
190,106.73x = 28,734,980,936.06 - Step 5: Solve for x
x = 28,734,980,936.06/190,106.73 - Step 6: Final answer
x = 151,151.83
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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.