Finding the Fourth Proportional to 163,929.80, 245,894.70 and 148,377.80
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Solution
The fourth proportional to 163,929.80, 245,894.70 and 148,377.80 is: 222,566.70
Step by Step Solution
- Step 1: Write the proportion equation
163,929.80 : 245,894.70 = 148,377.80 : x - Step 2: Convert to fraction form
163,929.80/245,894.70 = 148,377.80/x - Step 3: Cross multiply
163,929.80x = 245,894.70 × 148,377.80 - Step 4: Simplify right side
163,929.80x = 36,485,314,617.66 - Step 5: Solve for x
x = 36,485,314,617.66/163,929.80 - Step 6: Final answer
x = 222,566.70
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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.