Finding the Fourth Proportional to 163,974.80, 245,962.20 and 51,669.20
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Solution
The fourth proportional to 163,974.80, 245,962.20 and 51,669.20 is: 77,503.80
Step by Step Solution
- Step 1: Write the proportion equation
163,974.80 : 245,962.20 = 51,669.20 : x - Step 2: Convert to fraction form
163,974.80/245,962.20 = 51,669.20/x - Step 3: Cross multiply
163,974.80x = 245,962.20 × 51,669.20 - Step 4: Simplify right side
163,974.80x = 12,708,670,104.24 - Step 5: Solve for x
x = 12,708,670,104.24/163,974.80 - Step 6: Final answer
x = 77,503.80
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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.