Finding the Fourth Proportional to 183,832.16, 253,681.68 and 112,331.84
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Solution
The fourth proportional to 183,832.16, 253,681.68 and 112,331.84 is: 155,013.84
Step by Step Solution
- Step 1: Write the proportion equation
183,832.16 : 253,681.68 = 112,331.84 : x - Step 2: Convert to fraction form
183,832.16/253,681.68 = 112,331.84/x - Step 3: Cross multiply
183,832.16x = 253,681.68 × 112,331.84 - Step 4: Simplify right side
183,832.16x = 28,496,529,888.69 - Step 5: Solve for x
x = 28,496,529,888.69/183,832.16 - Step 6: Final answer
x = 155,013.84
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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.