Finding the Fourth Proportional to 331,656.14, 457,686.99 and 188,424.05
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Solution
The fourth proportional to 331,656.14, 457,686.99 and 188,424.05 is: 260,026.04
Step by Step Solution
- Step 1: Write the proportion equation
331,656.14 : 457,686.99 = 188,424.05 : x - Step 2: Convert to fraction form
331,656.14/457,686.99 = 188,424.05/x - Step 3: Cross multiply
331,656.14x = 457,686.99 × 188,424.05 - Step 4: Simplify right side
331,656.14x = 86,239,233,999.67 - Step 5: Solve for x
x = 86,239,233,999.67/331,656.14 - Step 6: Final answer
x = 260,026.04
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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.