Finding the Fourth Proportional to 620,881.92, 931,296.96 and 177,649.92
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Solution
The fourth proportional to 620,881.92, 931,296.96 and 177,649.92 is: 266,467.46
Step by Step Solution
- Step 1: Write the proportion equation
620,881.92 : 931,296.96 = 177,649.92 : x - Step 2: Convert to fraction form
620,881.92/931,296.96 = 177,649.92/x - Step 3: Cross multiply
620,881.92x = 931,296.96 × 177,649.92 - Step 4: Simplify right side
620,881.92x = 165,444,830,440.24 - Step 5: Solve for x
x = 165,444,830,440.24/620,881.92 - Step 6: Final answer
x = 266,467.46
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1.5x scale
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.