Finding the Fourth Proportional to 328,904.02, 453,887.99 and 178,001.02
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Solution
The fourth proportional to 328,904.02, 453,887.99 and 178,001.02 is: 245,641.65
Step by Step Solution
- Step 1: Write the proportion equation
328,904.02 : 453,887.99 = 178,001.02 : x - Step 2: Convert to fraction form
328,904.02/453,887.99 = 178,001.02/x - Step 3: Cross multiply
328,904.02x = 453,887.99 × 178,001.02 - Step 4: Simplify right side
328,904.02x = 80,792,525,185.75 - Step 5: Solve for x
x = 80,792,525,185.75/328,904.02 - Step 6: Final answer
x = 245,641.65
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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.