Finding the Fourth Proportional to 210,326.68, 290,248.62 and 114,833.08
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Solution
The fourth proportional to 210,326.68, 290,248.62 and 114,833.08 is: 158,468.45
Step by Step Solution
- Step 1: Write the proportion equation
210,326.68 : 290,248.62 = 114,833.08 : x - Step 2: Convert to fraction form
210,326.68/290,248.62 = 114,833.08/x - Step 3: Cross multiply
210,326.68x = 290,248.62 × 114,833.08 - Step 4: Simplify right side
210,326.68x = 33,330,143,000.35 - Step 5: Solve for x
x = 33,330,143,000.35/210,326.68 - Step 6: Final answer
x = 158,468.45
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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.