Finding the Fourth Proportional to 393,776.64, 590,535.36 and 216,483.84
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Solution
The fourth proportional to 393,776.64, 590,535.36 and 216,483.84 is: 324,654.51
Step by Step Solution
- Step 1: Write the proportion equation
393,776.64 : 590,535.36 = 216,483.84 : x - Step 2: Convert to fraction form
393,776.64/590,535.36 = 216,483.84/x - Step 3: Cross multiply
393,776.64x = 590,535.36 × 216,483.84 - Step 4: Simplify right side
393,776.64x = 127,841,362,388.58 - Step 5: Solve for x
x = 127,841,362,388.58/393,776.64 - Step 6: Final answer
x = 324,654.51
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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.