Finding the Fourth Proportional to 447,502.19, 671,150.75 and 127,647.99
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Solution
The fourth proportional to 447,502.19, 671,150.75 and 127,647.99 is: 191,442.74
Step by Step Solution
- Step 1: Write the proportion equation
447,502.19 : 671,150.75 = 127,647.99 : x - Step 2: Convert to fraction form
447,502.19/671,150.75 = 127,647.99/x - Step 3: Cross multiply
447,502.19x = 671,150.75 × 127,647.99 - Step 4: Simplify right side
447,502.19x = 85,671,043,586.25 - Step 5: Solve for x
x = 85,671,043,586.25/447,502.19 - Step 6: Final answer
x = 191,442.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.