Finding the Fourth Proportional to 443,664.18, 612,261.09 and 242,460.18
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Solution
The fourth proportional to 443,664.18, 612,261.09 and 242,460.18 is: 334,597.52
Step by Step Solution
- Step 1: Write the proportion equation
443,664.18 : 612,261.09 = 242,460.18 : x - Step 2: Convert to fraction form
443,664.18/612,261.09 = 242,460.18/x - Step 3: Cross multiply
443,664.18x = 612,261.09 × 242,460.18 - Step 4: Simplify right side
443,664.18x = 148,448,934,088.40 - Step 5: Solve for x
x = 148,448,934,088.40/443,664.18 - Step 6: Final answer
x = 334,597.52
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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.