Finding the Fourth Proportional to 443,868, 612,540 and 242,664
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Solution
The fourth proportional to 443,868, 612,540 and 242,664 is: 334,877.50
Step by Step Solution
- Step 1: Write the proportion equation
443,868 : 612,540 = 242,664 : x - Step 2: Convert to fraction form
443,868/612,540 = 242,664/x - Step 3: Cross multiply
443,868x = 612,540 × 242,664 - Step 4: Simplify right side
443,868x = 148,641,406,560 - Step 5: Solve for x
x = 148,641,406,560/443,868 - Step 6: Final answer
x = 334,877.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.