Finding the Fourth Proportional to 163,437.28, 245,195.28 and 56,805.76
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Solution
The fourth proportional to 163,437.28, 245,195.28 and 56,805.76 is: 85,222.32
Step by Step Solution
- Step 1: Write the proportion equation
163,437.28 : 245,195.28 = 56,805.76 : x - Step 2: Convert to fraction form
163,437.28/245,195.28 = 56,805.76/x - Step 3: Cross multiply
163,437.28x = 245,195.28 × 56,805.76 - Step 4: Simplify right side
163,437.28x = 13,928,504,228.81 - Step 5: Solve for x
x = 13,928,504,228.81/163,437.28 - Step 6: Final answer
x = 85,222.32
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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.