Finding the Fourth Proportional to 390,553.34, 585,619.26 and 177,204.84
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Solution
The fourth proportional to 390,553.34, 585,619.26 and 177,204.84 is: 265,711.64
Step by Step Solution
- Step 1: Write the proportion equation
390,553.34 : 585,619.26 = 177,204.84 : x - Step 2: Convert to fraction form
390,553.34/585,619.26 = 177,204.84/x - Step 3: Cross multiply
390,553.34x = 585,619.26 × 177,204.84 - Step 4: Simplify right side
390,553.34x = 103,774,567,269.22 - Step 5: Solve for x
x = 103,774,567,269.22/390,553.34 - Step 6: Final answer
x = 265,711.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.