Finding the Fourth Proportional to 435,435.60, 653,194.62 and 169,216.65
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Solution
The fourth proportional to 435,435.60, 653,194.62 and 169,216.65 is: 253,840.99
Step by Step Solution
- Step 1: Write the proportion equation
435,435.60 : 653,194.62 = 169,216.65 : x - Step 2: Convert to fraction form
435,435.60/653,194.62 = 169,216.65/x - Step 3: Cross multiply
435,435.60x = 653,194.62 × 169,216.65 - Step 4: Simplify right side
435,435.60x = 110,531,405,394.42 - Step 5: Solve for x
x = 110,531,405,394.42/435,435.60 - Step 6: Final answer
x = 253,840.99
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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.