Finding the Fourth Proportional to 666,342.08, 919,551.12 and 364,536.08
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Solution
The fourth proportional to 666,342.08, 919,551.12 and 364,536.08 is: 503,059.27
Step by Step Solution
- Step 1: Write the proportion equation
666,342.08 : 919,551.12 = 364,536.08 : x - Step 2: Convert to fraction form
666,342.08/919,551.12 = 364,536.08/x - Step 3: Cross multiply
666,342.08x = 919,551.12 × 364,536.08 - Step 4: Simplify right side
666,342.08x = 335,209,560,644.41 - Step 5: Solve for x
x = 335,209,560,644.41/666,342.08 - Step 6: Final answer
x = 503,059.27
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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.