Finding the Fourth Proportional to 261,752.91, 361,124.13 and 148,510.05
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Solution
The fourth proportional to 261,752.91, 361,124.13 and 148,510.05 is: 204,890.03
Step by Step Solution
- Step 1: Write the proportion equation
261,752.91 : 361,124.13 = 148,510.05 : x - Step 2: Convert to fraction form
261,752.91/361,124.13 = 148,510.05/x - Step 3: Cross multiply
261,752.91x = 361,124.13 × 148,510.05 - Step 4: Simplify right side
261,752.91x = 53,630,562,602.51 - Step 5: Solve for x
x = 53,630,562,602.51/261,752.91 - Step 6: Final answer
x = 204,890.03
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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.