Finding the Fourth Proportional to 610,641.14, 916,044.87 and 211,174.70
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Solution
The fourth proportional to 610,641.14, 916,044.87 and 211,174.70 is: 316,790.81
Step by Step Solution
- Step 1: Write the proportion equation
610,641.14 : 916,044.87 = 211,174.70 : x - Step 2: Convert to fraction form
610,641.14/916,044.87 = 211,174.70/x - Step 3: Cross multiply
610,641.14x = 916,044.87 × 211,174.70 - Step 4: Simplify right side
610,641.14x = 193,445,500,608.79 - Step 5: Solve for x
x = 193,445,500,608.79/610,641.14 - Step 6: Final answer
x = 316,790.81
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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.