Finding the Fourth Proportional to 183,423.84, 253,135.44 and 102,877.20
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Solution
The fourth proportional to 183,423.84, 253,135.44 and 102,877.20 is: 141,976.45
Step by Step Solution
- Step 1: Write the proportion equation
183,423.84 : 253,135.44 = 102,877.20 : x - Step 2: Convert to fraction form
183,423.84/253,135.44 = 102,877.20/x - Step 3: Cross multiply
183,423.84x = 253,135.44 × 102,877.20 - Step 4: Simplify right side
183,423.84x = 26,041,865,287.97 - Step 5: Solve for x
x = 26,041,865,287.97/183,423.84 - Step 6: Final answer
x = 141,976.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.