Finding the Fourth Proportional to 431,576.25, 595,632.95 and 247,887.09
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Solution
The fourth proportional to 431,576.25, 595,632.95 and 247,887.09 is: 342,117.34
Step by Step Solution
- Step 1: Write the proportion equation
431,576.25 : 595,632.95 = 247,887.09 : x - Step 2: Convert to fraction form
431,576.25/595,632.95 = 247,887.09/x - Step 3: Cross multiply
431,576.25x = 595,632.95 × 247,887.09 - Step 4: Simplify right side
431,576.25x = 147,649,717,444.18 - Step 5: Solve for x
x = 147,649,717,444.18/431,576.25 - Step 6: Final answer
x = 342,117.34
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1.5x scale
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.