Finding the Fourth Proportional to 163,815.40, 245,723.10 and 58,637.80
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Solution
The fourth proportional to 163,815.40, 245,723.10 and 58,637.80 is: 87,956.70
Step by Step Solution
- Step 1: Write the proportion equation
163,815.40 : 245,723.10 = 58,637.80 : x - Step 2: Convert to fraction form
163,815.40/245,723.10 = 58,637.80/x - Step 3: Cross multiply
163,815.40x = 245,723.10 × 58,637.80 - Step 4: Simplify right side
163,815.40x = 14,408,661,993.18 - Step 5: Solve for x
x = 14,408,661,993.18/163,815.40 - Step 6: Final answer
x = 87,956.70
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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.