Finding the Fourth Proportional to 368,376.41, 508,388.99 and 207,221.85
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Solution
The fourth proportional to 368,376.41, 508,388.99 and 207,221.85 is: 285,982.77
Step by Step Solution
- Step 1: Write the proportion equation
368,376.41 : 508,388.99 = 207,221.85 : x - Step 2: Convert to fraction form
368,376.41/508,388.99 = 207,221.85/x - Step 3: Cross multiply
368,376.41x = 508,388.99 × 207,221.85 - Step 4: Simplify right side
368,376.41x = 105,349,305,991.32 - Step 5: Solve for x
x = 105,349,305,991.32/368,376.41 - Step 6: Final answer
x = 285,982.77
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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.