Finding the Fourth Proportional to 329,767.36, 455,089.28 and 186,524.54
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Solution
The fourth proportional to 329,767.36, 455,089.28 and 186,524.54 is: 257,409.70
Step by Step Solution
- Step 1: Write the proportion equation
329,767.36 : 455,089.28 = 186,524.54 : x - Step 2: Convert to fraction form
329,767.36/455,089.28 = 186,524.54/x - Step 3: Cross multiply
329,767.36x = 455,089.28 × 186,524.54 - Step 4: Simplify right side
329,767.36x = 84,885,318,610.93 - Step 5: Solve for x
x = 84,885,318,610.93/329,767.36 - Step 6: Final answer
x = 257,409.70
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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.