Finding the Fourth Proportional to 357,313.96, 535,783.02 and 188,924.68
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Solution
The fourth proportional to 357,313.96, 535,783.02 and 188,924.68 is: 283,287.66
Step by Step Solution
- Step 1: Write the proportion equation
357,313.96 : 535,783.02 = 188,924.68 : x - Step 2: Convert to fraction form
357,313.96/535,783.02 = 188,924.68/x - Step 3: Cross multiply
357,313.96x = 535,783.02 × 188,924.68 - Step 4: Simplify right side
357,313.96x = 101,222,635,602.93 - Step 5: Solve for x
x = 101,222,635,602.93/357,313.96 - Step 6: Final answer
x = 283,287.66
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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.