Finding the Fourth Proportional to 163,512.16, 245,740.33 and 152,160.09
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Solution
The fourth proportional to 163,512.16, 245,740.33 and 152,160.09 is: 228,679.45
Step by Step Solution
- Step 1: Write the proportion equation
163,512.16 : 245,740.33 = 152,160.09 : x - Step 2: Convert to fraction form
163,512.16/245,740.33 = 152,160.09/x - Step 3: Cross multiply
163,512.16x = 245,740.33 × 152,160.09 - Step 4: Simplify right side
163,512.16x = 37,391,870,582.98 - Step 5: Solve for x
x = 37,391,870,582.98/163,512.16 - Step 6: Final answer
x = 228,679.45
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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.