Finding the Fourth Proportional to 307,527.09, 424,434.12 and 186,645.03
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Solution
The fourth proportional to 307,527.09, 424,434.12 and 186,645.03 is: 257,598.51
Step by Step Solution
- Step 1: Write the proportion equation
307,527.09 : 424,434.12 = 186,645.03 : x - Step 2: Convert to fraction form
307,527.09/424,434.12 = 186,645.03/x - Step 3: Cross multiply
307,527.09x = 424,434.12 × 186,645.03 - Step 4: Simplify right side
307,527.09x = 79,218,519,060.42 - Step 5: Solve for x
x = 79,218,519,060.42/307,527.09 - Step 6: Final answer
x = 257,598.51
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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.