Finding the Fourth Proportional to 145,493.99, 218,250.21 and 45,658.13
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Solution
The fourth proportional to 145,493.99, 218,250.21 and 45,658.13 is: 68,490.09
Step by Step Solution
- Step 1: Write the proportion equation
145,493.99 : 218,250.21 = 45,658.13 : x - Step 2: Convert to fraction form
145,493.99/218,250.21 = 45,658.13/x - Step 3: Cross multiply
145,493.99x = 218,250.21 × 45,658.13 - Step 4: Simplify right side
145,493.99x = 9,964,896,460.71 - Step 5: Solve for x
x = 9,964,896,460.71/145,493.99 - Step 6: Final answer
x = 68,490.09
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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.