Finding the Fourth Proportional to 443,818.68, 612,479.16 and 242,614.68
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Solution
The fourth proportional to 443,818.68, 612,479.16 and 242,614.68 is: 334,813.39
Step by Step Solution
- Step 1: Write the proportion equation
443,818.68 : 612,479.16 = 242,614.68 : x - Step 2: Convert to fraction form
443,818.68/612,479.16 = 242,614.68/x - Step 3: Cross multiply
443,818.68x = 612,479.16 × 242,614.68 - Step 4: Simplify right side
443,818.68x = 148,596,435,410.07 - Step 5: Solve for x
x = 148,596,435,410.07/443,818.68 - Step 6: Final answer
x = 334,813.39
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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.