Finding the Fourth Proportional to 352,655.27, 486,813.24 and 238,089.09
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Solution
The fourth proportional to 352,655.27, 486,813.24 and 238,089.09 is: 328,663.51
Step by Step Solution
- Step 1: Write the proportion equation
352,655.27 : 486,813.24 = 238,089.09 : x - Step 2: Convert to fraction form
352,655.27/486,813.24 = 238,089.09/x - Step 3: Cross multiply
352,655.27x = 486,813.24 × 238,089.09 - Step 4: Simplify right side
352,655.27x = 115,904,917,687.04 - Step 5: Solve for x
x = 115,904,917,687.04/352,655.27 - Step 6: Final answer
x = 328,663.51
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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.