Finding the Fourth Proportional to 163,532.80, 245,104.80 and 68,762.80
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Solution
The fourth proportional to 163,532.80, 245,104.80 and 68,762.80 is: 103,062.46
Step by Step Solution
- Step 1: Write the proportion equation
163,532.80 : 245,104.80 = 68,762.80 : x - Step 2: Convert to fraction form
163,532.80/245,104.80 = 68,762.80/x - Step 3: Cross multiply
163,532.80x = 245,104.80 × 68,762.80 - Step 4: Simplify right side
163,532.80x = 16,854,092,341.44 - Step 5: Solve for x
x = 16,854,092,341.44/163,532.80 - Step 6: Final answer
x = 103,062.46
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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.