Finding the Fourth Proportional to 258,118.14, 356,248.66 and 193,033.48
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Solution
The fourth proportional to 258,118.14, 356,248.66 and 193,033.48 is: 266,420.32
Step by Step Solution
- Step 1: Write the proportion equation
258,118.14 : 356,248.66 = 193,033.48 : x - Step 2: Convert to fraction form
258,118.14/356,248.66 = 193,033.48/x - Step 3: Cross multiply
258,118.14x = 356,248.66 × 193,033.48 - Step 4: Simplify right side
258,118.14x = 68,767,918,585.14 - Step 5: Solve for x
x = 68,767,918,585.14/258,118.14 - Step 6: Final answer
x = 266,420.32
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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.