Finding the Fourth Proportional to 134,875.80, 202,394.70 and 55,981.80
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Solution
The fourth proportional to 134,875.80, 202,394.70 and 55,981.80 is: 84,006.32
Step by Step Solution
- Step 1: Write the proportion equation
134,875.80 : 202,394.70 = 55,981.80 : x - Step 2: Convert to fraction form
134,875.80/202,394.70 = 55,981.80/x - Step 3: Cross multiply
134,875.80x = 202,394.70 × 55,981.80 - Step 4: Simplify right side
134,875.80x = 11,330,419,616.46 - Step 5: Solve for x
x = 11,330,419,616.46/134,875.80 - Step 6: Final answer
x = 84,006.32
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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.