Finding the Fourth Proportional to 408,669.21, 563,954.67 and 236,594.52
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Solution
The fourth proportional to 408,669.21, 563,954.67 and 236,594.52 is: 326,495.32
Step by Step Solution
- Step 1: Write the proportion equation
408,669.21 : 563,954.67 = 236,594.52 : x - Step 2: Convert to fraction form
408,669.21/563,954.67 = 236,594.52/x - Step 3: Cross multiply
408,669.21x = 563,954.67 × 236,594.52 - Step 4: Simplify right side
408,669.21x = 133,428,584,450.41 - Step 5: Solve for x
x = 133,428,584,450.41/408,669.21 - Step 6: Final answer
x = 326,495.32
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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.