Finding the Fourth Proportional to 232,364.42, 320,661.99 and 130,389.64
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Solution
The fourth proportional to 232,364.42, 320,661.99 and 130,389.64 is: 179,937.19
Step by Step Solution
- Step 1: Write the proportion equation
232,364.42 : 320,661.99 = 130,389.64 : x - Step 2: Convert to fraction form
232,364.42/320,661.99 = 130,389.64/x - Step 3: Cross multiply
232,364.42x = 320,661.99 × 130,389.64 - Step 4: Simplify right side
232,364.42x = 41,811,000,636.13 - Step 5: Solve for x
x = 41,811,000,636.13/232,364.42 - Step 6: Final answer
x = 179,937.19
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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.