Finding the Fourth Proportional to 637,229.68, 879,377.21 and 350,747.72
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Solution
The fourth proportional to 637,229.68, 879,377.21 and 350,747.72 is: 484,031.99
Step by Step Solution
- Step 1: Write the proportion equation
637,229.68 : 879,377.21 = 350,747.72 : x - Step 2: Convert to fraction form
637,229.68/879,377.21 = 350,747.72/x - Step 3: Cross multiply
637,229.68x = 879,377.21 × 350,747.72 - Step 4: Simplify right side
637,229.68x = 308,439,549,889.81 - Step 5: Solve for x
x = 308,439,549,889.81/637,229.68 - Step 6: Final answer
x = 484,031.99
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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.