Finding the Fourth Proportional to 112,350.24, 155,043.28 and 62,048.80
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Solution
The fourth proportional to 112,350.24, 155,043.28 and 62,048.80 is: 85,627.32
Step by Step Solution
- Step 1: Write the proportion equation
112,350.24 : 155,043.28 = 62,048.80 : x - Step 2: Convert to fraction form
112,350.24/155,043.28 = 62,048.80/x - Step 3: Cross multiply
112,350.24x = 155,043.28 × 62,048.80 - Step 4: Simplify right side
112,350.24x = 9,620,249,472.06 - Step 5: Solve for x
x = 9,620,249,472.06/112,350.24 - Step 6: Final answer
x = 85,627.32
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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.