Finding the Fourth Proportional to 659,095.49, 909,539.73 and 372,615.65
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Solution
The fourth proportional to 659,095.49, 909,539.73 and 372,615.65 is: 514,202.78
Step by Step Solution
- Step 1: Write the proportion equation
659,095.49 : 909,539.73 = 372,615.65 : x - Step 2: Convert to fraction form
659,095.49/909,539.73 = 372,615.65/x - Step 3: Cross multiply
659,095.49x = 909,539.73 × 372,615.65 - Step 4: Simplify right side
659,095.49x = 338,908,733,147.08 - Step 5: Solve for x
x = 338,908,733,147.08/659,095.49 - Step 6: Final answer
x = 514,202.78
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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.