Finding the Fourth Proportional to 226,312.04, 312,329.32 and 145,906.99
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Solution
The fourth proportional to 226,312.04, 312,329.32 and 145,906.99 is: 201,363.70
Step by Step Solution
- Step 1: Write the proportion equation
226,312.04 : 312,329.32 = 145,906.99 : x - Step 2: Convert to fraction form
226,312.04/312,329.32 = 145,906.99/x - Step 3: Cross multiply
226,312.04x = 312,329.32 × 145,906.99 - Step 4: Simplify right side
226,312.04x = 45,571,029,824.36 - Step 5: Solve for x
x = 45,571,029,824.36/226,312.04 - Step 6: Final answer
x = 201,363.70
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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.