Finding the Fourth Proportional to 145,434.88, 218,128.02 and 40,264.48
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Solution
The fourth proportional to 145,434.88, 218,128.02 and 40,264.48 is: 60,389.99
Step by Step Solution
- Step 1: Write the proportion equation
145,434.88 : 218,128.02 = 40,264.48 : x - Step 2: Convert to fraction form
145,434.88/218,128.02 = 40,264.48/x - Step 3: Cross multiply
145,434.88x = 218,128.02 × 40,264.48 - Step 4: Simplify right side
145,434.88x = 8,782,811,298.73 - Step 5: Solve for x
x = 8,782,811,298.73/145,434.88 - Step 6: Final answer
x = 60,389.99
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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.