Finding the Fourth Proportional to 215,545.25, 297,399.99 and 141,950.08
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Solution
The fourth proportional to 215,545.25, 297,399.99 and 141,950.08 is: 195,856.57
Step by Step Solution
- Step 1: Write the proportion equation
215,545.25 : 297,399.99 = 141,950.08 : x - Step 2: Convert to fraction form
215,545.25/297,399.99 = 141,950.08/x - Step 3: Cross multiply
215,545.25x = 297,399.99 × 141,950.08 - Step 4: Simplify right side
215,545.25x = 42,215,953,495.16 - Step 5: Solve for x
x = 42,215,953,495.16/215,545.25 - Step 6: Final answer
x = 195,856.57
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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.