Finding the Fourth Proportional to 368,955.92, 553,378.80 and 102,688.68
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Solution
The fourth proportional to 368,955.92, 553,378.80 and 102,688.68 is: 154,017.69
Step by Step Solution
- Step 1: Write the proportion equation
368,955.92 : 553,378.80 = 102,688.68 : x - Step 2: Convert to fraction form
368,955.92/553,378.80 = 102,688.68/x - Step 3: Cross multiply
368,955.92x = 553,378.80 × 102,688.68 - Step 4: Simplify right side
368,955.92x = 56,825,738,511.98 - Step 5: Solve for x
x = 56,825,738,511.98/368,955.92 - Step 6: Final answer
x = 154,017.69
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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.