Finding the Fourth Proportional to 163,719.05, 245,578.64 and 73,656.59
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Solution
The fourth proportional to 163,719.05, 245,578.64 and 73,656.59 is: 110,484.91
Step by Step Solution
- Step 1: Write the proportion equation
163,719.05 : 245,578.64 = 73,656.59 : x - Step 2: Convert to fraction form
163,719.05/245,578.64 = 73,656.59/x - Step 3: Cross multiply
163,719.05x = 245,578.64 × 73,656.59 - Step 4: Simplify right side
163,719.05x = 18,088,484,259.15 - Step 5: Solve for x
x = 18,088,484,259.15/163,719.05 - Step 6: Final answer
x = 110,484.91
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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.