Finding the Fourth Proportional to 144,911.76, 216,312.05 and 134,227.08
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Solution
The fourth proportional to 144,911.76, 216,312.05 and 134,227.08 is: 200,362.86
Step by Step Solution
- Step 1: Write the proportion equation
144,911.76 : 216,312.05 = 134,227.08 : x - Step 2: Convert to fraction form
144,911.76/216,312.05 = 134,227.08/x - Step 3: Cross multiply
144,911.76x = 216,312.05 × 134,227.08 - Step 4: Simplify right side
144,911.76x = 29,034,934,840.31 - Step 5: Solve for x
x = 29,034,934,840.31/144,911.76 - Step 6: Final answer
x = 200,362.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.