Finding the Fourth Proportional to 382,430.94, 573,564.39 and 157,733.09
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Solution
The fourth proportional to 382,430.94, 573,564.39 and 157,733.09 is: 236,565.81
Step by Step Solution
- Step 1: Write the proportion equation
382,430.94 : 573,564.39 = 157,733.09 : x - Step 2: Convert to fraction form
382,430.94/573,564.39 = 157,733.09/x - Step 3: Cross multiply
382,430.94x = 573,564.39 × 157,733.09 - Step 4: Simplify right side
382,430.94x = 90,470,083,548.67 - Step 5: Solve for x
x = 90,470,083,548.67/382,430.94 - Step 6: Final answer
x = 236,565.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.