Finding the Fourth Proportional to 210,502.08, 290,497.05 and 115,014.69
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Solution
The fourth proportional to 210,502.08, 290,497.05 and 115,014.69 is: 158,722.56
Step by Step Solution
- Step 1: Write the proportion equation
210,502.08 : 290,497.05 = 115,014.69 : x - Step 2: Convert to fraction form
210,502.08/290,497.05 = 115,014.69/x - Step 3: Cross multiply
210,502.08x = 290,497.05 × 115,014.69 - Step 4: Simplify right side
210,502.08x = 33,411,428,151.66 - Step 5: Solve for x
x = 33,411,428,151.66/210,502.08 - Step 6: Final answer
x = 158,722.56
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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.