Finding the Fourth Proportional to 258,619.10, 357,118.62 and 190,753.70
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Solution
The fourth proportional to 258,619.10, 357,118.62 and 190,753.70 is: 263,405.52
Step by Step Solution
- Step 1: Write the proportion equation
258,619.10 : 357,118.62 = 190,753.70 : x - Step 2: Convert to fraction form
258,619.10/357,118.62 = 190,753.70/x - Step 3: Cross multiply
258,619.10x = 357,118.62 × 190,753.70 - Step 4: Simplify right side
258,619.10x = 68,121,698,103.89 - Step 5: Solve for x
x = 68,121,698,103.89/258,619.10 - Step 6: Final answer
x = 263,405.52
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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.