Finding the Fourth Proportional to 190,570.59, 262,945.35 and 109,980.99
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Solution
The fourth proportional to 190,570.59, 262,945.35 and 109,980.99 is: 151,749.49
Step by Step Solution
- Step 1: Write the proportion equation
190,570.59 : 262,945.35 = 109,980.99 : x - Step 2: Convert to fraction form
190,570.59/262,945.35 = 109,980.99/x - Step 3: Cross multiply
190,570.59x = 262,945.35 × 109,980.99 - Step 4: Simplify right side
190,570.59x = 28,918,989,908.90 - Step 5: Solve for x
x = 28,918,989,908.90/190,570.59 - Step 6: Final answer
x = 151,749.49
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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.