Finding the Fourth Proportional to 144,048.02, 216,072.03 and 38,866.99
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Solution
The fourth proportional to 144,048.02, 216,072.03 and 38,866.99 is: 58,300.48
Step by Step Solution
- Step 1: Write the proportion equation
144,048.02 : 216,072.03 = 38,866.99 : x - Step 2: Convert to fraction form
144,048.02/216,072.03 = 38,866.99/x - Step 3: Cross multiply
144,048.02x = 216,072.03 × 38,866.99 - Step 4: Simplify right side
144,048.02x = 8,398,068,743.36 - Step 5: Solve for x
x = 8,398,068,743.36/144,048.02 - Step 6: Final answer
x = 58,300.48
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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.