Finding the Fourth Proportional to 408,531.96, 563,774.07 and 229,683.96
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Solution
The fourth proportional to 408,531.96, 563,774.07 and 229,683.96 is: 316,963.85
Step by Step Solution
- Step 1: Write the proportion equation
408,531.96 : 563,774.07 = 229,683.96 : x - Step 2: Convert to fraction form
408,531.96/563,774.07 = 229,683.96/x - Step 3: Cross multiply
408,531.96x = 563,774.07 × 229,683.96 - Step 4: Simplify right side
408,531.96x = 129,489,860,942.92 - Step 5: Solve for x
x = 129,489,860,942.92/408,531.96 - Step 6: Final answer
x = 316,963.85
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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.