Finding the Fourth Proportional to 507,749.88, 700,694.84 and 281,409.96
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Solution
The fourth proportional to 507,749.88, 700,694.84 and 281,409.96 is: 388,345.75
Step by Step Solution
- Step 1: Write the proportion equation
507,749.88 : 700,694.84 = 281,409.96 : x - Step 2: Convert to fraction form
507,749.88/700,694.84 = 281,409.96/x - Step 3: Cross multiply
507,749.88x = 700,694.84 × 281,409.96 - Step 4: Simplify right side
507,749.88x = 197,182,506,896.61 - Step 5: Solve for x
x = 197,182,506,896.61/507,749.88 - Step 6: Final answer
x = 388,345.75
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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.