Finding the Fourth Proportional to 183,751.61, 253,603.44 and 103,184.62
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Solution
The fourth proportional to 183,751.61, 253,603.44 and 103,184.62 is: 142,409.50
Step by Step Solution
- Step 1: Write the proportion equation
183,751.61 : 253,603.44 = 103,184.62 : x - Step 2: Convert to fraction form
183,751.61/253,603.44 = 103,184.62/x - Step 3: Cross multiply
183,751.61x = 253,603.44 × 103,184.62 - Step 4: Simplify right side
183,751.61x = 26,167,973,953.08 - Step 5: Solve for x
x = 26,167,973,953.08/183,751.61 - Step 6: Final answer
x = 142,409.50
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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.