Finding the Fourth Proportional to 155,326.55, 214,407.84 and 136,407.80
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Solution
The fourth proportional to 155,326.55, 214,407.84 and 136,407.80 is: 188,293.00
Step by Step Solution
- Step 1: Write the proportion equation
155,326.55 : 214,407.84 = 136,407.80 : x - Step 2: Convert to fraction form
155,326.55/214,407.84 = 136,407.80/x - Step 3: Cross multiply
155,326.55x = 214,407.84 × 136,407.80 - Step 4: Simplify right side
155,326.55x = 29,246,902,667.72 - Step 5: Solve for x
x = 29,246,902,667.72/155,326.55 - Step 6: Final answer
x = 188,293.00
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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.