Finding the Fourth Proportional to 260,360.82, 390,763.13 and 102,699.99
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Solution
The fourth proportional to 260,360.82, 390,763.13 and 102,699.99 is: 154,137.51
Step by Step Solution
- Step 1: Write the proportion equation
260,360.82 : 390,763.13 = 102,699.99 : x - Step 2: Convert to fraction form
260,360.82/390,763.13 = 102,699.99/x - Step 3: Cross multiply
260,360.82x = 390,763.13 × 102,699.99 - Step 4: Simplify right side
260,360.82x = 40,131,369,029.87 - Step 5: Solve for x
x = 40,131,369,029.87/260,360.82 - Step 6: Final answer
x = 154,137.51
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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.