Finding the Fourth Proportional to 163,353.13, 245,055.65 and 56,769.67
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Solution
The fourth proportional to 163,353.13, 245,055.65 and 56,769.67 is: 85,163.53
Step by Step Solution
- Step 1: Write the proportion equation
163,353.13 : 245,055.65 = 56,769.67 : x - Step 2: Convert to fraction form
163,353.13/245,055.65 = 56,769.67/x - Step 3: Cross multiply
163,353.13x = 245,055.65 × 56,769.67 - Step 4: Simplify right side
163,353.13x = 13,911,728,382.14 - Step 5: Solve for x
x = 13,911,728,382.14/163,353.13 - Step 6: Final answer
x = 85,163.53
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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.