Finding the Fourth Proportional to 610,592.54, 915,972.12 and 211,126.05
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Solution
The fourth proportional to 610,592.54, 915,972.12 and 211,126.05 is: 316,717.88
Step by Step Solution
- Step 1: Write the proportion equation
610,592.54 : 915,972.12 = 211,126.05 : x - Step 2: Convert to fraction form
610,592.54/915,972.12 = 211,126.05/x - Step 3: Cross multiply
610,592.54x = 915,972.12 × 211,126.05 - Step 4: Simplify right side
610,592.54x = 193,385,575,605.73 - Step 5: Solve for x
x = 193,385,575,605.73/610,592.54 - Step 6: Final answer
x = 316,717.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.