Finding the Fourth Proportional to 328,473.28, 453,365.68 and 213,551.92
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Solution
The fourth proportional to 328,473.28, 453,365.68 and 213,551.92 is: 294,748.82
Step by Step Solution
- Step 1: Write the proportion equation
328,473.28 : 453,365.68 = 213,551.92 : x - Step 2: Convert to fraction form
328,473.28/453,365.68 = 213,551.92/x - Step 3: Cross multiply
328,473.28x = 453,365.68 × 213,551.92 - Step 4: Simplify right side
328,473.28x = 96,817,111,426.11 - Step 5: Solve for x
x = 96,817,111,426.11/328,473.28 - Step 6: Final answer
x = 294,748.82
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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.