Finding the Fourth Proportional to 328,280.06, 453,025.76 and 177,377.06
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Solution
The fourth proportional to 328,280.06, 453,025.76 and 177,377.06 is: 244,779.95
Step by Step Solution
- Step 1: Write the proportion equation
328,280.06 : 453,025.76 = 177,377.06 : x - Step 2: Convert to fraction form
328,280.06/453,025.76 = 177,377.06/x - Step 3: Cross multiply
328,280.06x = 453,025.76 × 177,377.06 - Step 4: Simplify right side
328,280.06x = 80,356,377,413.07 - Step 5: Solve for x
x = 80,356,377,413.07/328,280.06 - Step 6: Final answer
x = 244,779.95
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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.