Finding the Fourth Proportional to 228,346.47, 315,012.99 and 147,799.88
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Solution
The fourth proportional to 228,346.47, 315,012.99 and 147,799.88 is: 203,895.78
Step by Step Solution
- Step 1: Write the proportion equation
228,346.47 : 315,012.99 = 147,799.88 : x - Step 2: Convert to fraction form
228,346.47/315,012.99 = 147,799.88/x - Step 3: Cross multiply
228,346.47x = 315,012.99 × 147,799.88 - Step 4: Simplify right side
228,346.47x = 46,558,880,545.38 - Step 5: Solve for x
x = 46,558,880,545.38/228,346.47 - Step 6: Final answer
x = 203,895.78
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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.