Finding the Fourth Proportional to 328,963.36, 453,970.12 and 178,060.36
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Solution
The fourth proportional to 328,963.36, 453,970.12 and 178,060.36 is: 245,723.66
Step by Step Solution
- Step 1: Write the proportion equation
328,963.36 : 453,970.12 = 178,060.36 : x - Step 2: Convert to fraction form
328,963.36/453,970.12 = 178,060.36/x - Step 3: Cross multiply
328,963.36x = 453,970.12 × 178,060.36 - Step 4: Simplify right side
328,963.36x = 80,834,082,106.14 - Step 5: Solve for x
x = 80,834,082,106.14/328,963.36 - Step 6: Final answer
x = 245,723.66
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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.