Finding the Fourth Proportional to 328,656.16, 453,545.52 and 177,753.12
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Solution
The fourth proportional to 328,656.16, 453,545.52 and 177,753.12 is: 245,299.32
Step by Step Solution
- Step 1: Write the proportion equation
328,656.16 : 453,545.52 = 177,753.12 : x - Step 2: Convert to fraction form
328,656.16/453,545.52 = 177,753.12/x - Step 3: Cross multiply
328,656.16x = 453,545.52 × 177,753.12 - Step 4: Simplify right side
328,656.16x = 80,619,131,242.02 - Step 5: Solve for x
x = 80,619,131,242.02/328,656.16 - Step 6: Final answer
x = 245,299.32
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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.