Finding the Fourth Proportional to 343,749.68, 474,260.64 and 207,825.20
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Solution
The fourth proportional to 343,749.68, 474,260.64 and 207,825.20 is: 286,729.90
Step by Step Solution
- Step 1: Write the proportion equation
343,749.68 : 474,260.64 = 207,825.20 : x - Step 2: Convert to fraction form
343,749.68/474,260.64 = 207,825.20/x - Step 3: Cross multiply
343,749.68x = 474,260.64 × 207,825.20 - Step 4: Simplify right side
343,749.68x = 98,563,312,360.13 - Step 5: Solve for x
x = 98,563,312,360.13/343,749.68 - Step 6: Final answer
x = 286,729.90
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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.