Finding the Fourth Proportional to 163,813.92, 245,720.58 and 51,503.94
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Solution
The fourth proportional to 163,813.92, 245,720.58 and 51,503.94 is: 77,255.82
Step by Step Solution
- Step 1: Write the proportion equation
163,813.92 : 245,720.58 = 51,503.94 : x - Step 2: Convert to fraction form
163,813.92/245,720.58 = 51,503.94/x - Step 3: Cross multiply
163,813.92x = 245,720.58 × 51,503.94 - Step 4: Simplify right side
163,813.92x = 12,655,578,009.09 - Step 5: Solve for x
x = 12,655,578,009.09/163,813.92 - Step 6: Final answer
x = 77,255.82
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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.