Finding the Fourth Proportional to 405,875.10, 559,971.99 and 236,073.18
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Solution
The fourth proportional to 405,875.10, 559,971.99 and 236,073.18 is: 325,702.09
Step by Step Solution
- Step 1: Write the proportion equation
405,875.10 : 559,971.99 = 236,073.18 : x - Step 2: Convert to fraction form
405,875.10/559,971.99 = 236,073.18/x - Step 3: Cross multiply
405,875.10x = 559,971.99 × 236,073.18 - Step 4: Simplify right side
405,875.10x = 132,194,368,390.23 - Step 5: Solve for x
x = 132,194,368,390.23/405,875.10 - Step 6: Final answer
x = 325,702.09
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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.