Finding the Fourth Proportional to 328,549.97, 453,165.08 and 213,615.53
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Solution
The fourth proportional to 328,549.97, 453,165.08 and 213,615.53 is: 294,637.37
Step by Step Solution
- Step 1: Write the proportion equation
328,549.97 : 453,165.08 = 213,615.53 : x - Step 2: Convert to fraction form
328,549.97/453,165.08 = 213,615.53/x - Step 3: Cross multiply
328,549.97x = 453,165.08 × 213,615.53 - Step 4: Simplify right side
328,549.97x = 96,803,098,308.75 - Step 5: Solve for x
x = 96,803,098,308.75/328,549.97 - Step 6: Final answer
x = 294,637.37
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1.5x scale
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.