Finding the Fourth Proportional to 282,430.02, 423,703.36 and 82,756.92
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Solution
The fourth proportional to 282,430.02, 423,703.36 and 82,756.92 is: 124,152.47
Step by Step Solution
- Step 1: Write the proportion equation
282,430.02 : 423,703.36 = 82,756.92 : x - Step 2: Convert to fraction form
282,430.02/423,703.36 = 82,756.92/x - Step 3: Cross multiply
282,430.02x = 423,703.36 × 82,756.92 - Step 4: Simplify right side
282,430.02x = 35,064,385,067.25 - Step 5: Solve for x
x = 35,064,385,067.25/282,430.02 - Step 6: Final answer
x = 124,152.47
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1.5x scale
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.