Finding the Fourth Proportional to 142,476.77, 213,636.15 and 58,295.99
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Solution
The fourth proportional to 142,476.77, 213,636.15 and 58,295.99 is: 87,411.65
Step by Step Solution
- Step 1: Write the proportion equation
142,476.77 : 213,636.15 = 58,295.99 : x - Step 2: Convert to fraction form
142,476.77/213,636.15 = 58,295.99/x - Step 3: Cross multiply
142,476.77x = 213,636.15 × 58,295.99 - Step 4: Simplify right side
142,476.77x = 12,454,129,795.86 - Step 5: Solve for x
x = 12,454,129,795.86/142,476.77 - Step 6: Final answer
x = 87,411.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.