Finding the Fourth Proportional to 149,864.21, 223,703.02 and 130,946.99
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Solution
The fourth proportional to 149,864.21, 223,703.02 and 130,946.99 is: 195,465.20
Step by Step Solution
- Step 1: Write the proportion equation
149,864.21 : 223,703.02 = 130,946.99 : x - Step 2: Convert to fraction form
149,864.21/223,703.02 = 130,946.99/x - Step 3: Cross multiply
149,864.21x = 223,703.02 × 130,946.99 - Step 4: Simplify right side
149,864.21x = 29,293,237,122.91 - Step 5: Solve for x
x = 29,293,237,122.91/149,864.21 - Step 6: Final answer
x = 195,465.20
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.