Finding the Fourth Proportional to 372,955.08, 514,668.06 and 211,816.92
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Solution
The fourth proportional to 372,955.08, 514,668.06 and 211,816.92 is: 292,301.70
Step by Step Solution
- Step 1: Write the proportion equation
372,955.08 : 514,668.06 = 211,816.92 : x - Step 2: Convert to fraction form
372,955.08/514,668.06 = 211,816.92/x - Step 3: Cross multiply
372,955.08x = 514,668.06 × 211,816.92 - Step 4: Simplify right side
372,955.08x = 109,015,403,291.58 - Step 5: Solve for x
x = 109,015,403,291.58/372,955.08 - Step 6: Final answer
x = 292,301.70
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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.