Finding the Fourth Proportional to 545,896.09, 753,336.65 and 316,586.41
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Solution
The fourth proportional to 545,896.09, 753,336.65 and 316,586.41 is: 436,889.26
Step by Step Solution
- Step 1: Write the proportion equation
545,896.09 : 753,336.65 = 316,586.41 : x - Step 2: Convert to fraction form
545,896.09/753,336.65 = 316,586.41/x - Step 3: Cross multiply
545,896.09x = 753,336.65 × 316,586.41 - Step 4: Simplify right side
545,896.09x = 238,496,140,195.31 - Step 5: Solve for x
x = 238,496,140,195.31/545,896.09 - Step 6: Final answer
x = 436,889.26
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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.