Finding the Fourth Proportional to 133,817.19, 184,204.19 and 115,659.63
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Solution
The fourth proportional to 133,817.19, 184,204.19 and 115,659.63 is: 159,209.65
Step by Step Solution
- Step 1: Write the proportion equation
133,817.19 : 184,204.19 = 115,659.63 : x - Step 2: Convert to fraction form
133,817.19/184,204.19 = 115,659.63/x - Step 3: Cross multiply
133,817.19x = 184,204.19 × 115,659.63 - Step 4: Simplify right side
133,817.19x = 21,304,987,881.55 - Step 5: Solve for x
x = 21,304,987,881.55/133,817.19 - Step 6: Final answer
x = 159,209.65
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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.