Finding the Fourth Proportional to 357,784.63, 536,744.99 and 121,063.75
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Solution
The fourth proportional to 357,784.63, 536,744.99 and 121,063.75 is: 181,618.65
Step by Step Solution
- Step 1: Write the proportion equation
357,784.63 : 536,744.99 = 121,063.75 : x - Step 2: Convert to fraction form
357,784.63/536,744.99 = 121,063.75/x - Step 3: Cross multiply
357,784.63x = 536,744.99 × 121,063.75 - Step 4: Simplify right side
357,784.63x = 64,980,361,283.11 - Step 5: Solve for x
x = 64,980,361,283.11/357,784.63 - Step 6: Final answer
x = 181,618.65
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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.