Finding the Fourth Proportional to 443,460.36, 611,974.26 and 242,257.80
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Solution
The fourth proportional to 443,460.36, 611,974.26 and 242,257.80 is: 334,315.20
Step by Step Solution
- Step 1: Write the proportion equation
443,460.36 : 611,974.26 = 242,257.80 : x - Step 2: Convert to fraction form
443,460.36/611,974.26 = 242,257.80/x - Step 3: Cross multiply
443,460.36x = 611,974.26 × 242,257.80 - Step 4: Simplify right side
443,460.36x = 148,255,537,884.23 - Step 5: Solve for x
x = 148,255,537,884.23/443,460.36 - Step 6: Final answer
x = 334,315.20
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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.