Finding the Fourth Proportional to 413,880.96, 570,703.68 and 279,511.68
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Solution
The fourth proportional to 413,880.96, 570,703.68 and 279,511.68 is: 385,420.83
Step by Step Solution
- Step 1: Write the proportion equation
413,880.96 : 570,703.68 = 279,511.68 : x - Step 2: Convert to fraction form
413,880.96/570,703.68 = 279,511.68/x - Step 3: Cross multiply
413,880.96x = 570,703.68 × 279,511.68 - Step 4: Simplify right side
413,880.96x = 159,518,344,378.98 - Step 5: Solve for x
x = 159,518,344,378.98/413,880.96 - Step 6: Final answer
x = 385,420.83
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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.