Finding the Fourth Proportional to 299,239.02, 448,931.70 and 99,558.90
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Solution
The fourth proportional to 299,239.02, 448,931.70 and 99,558.90 is: 149,362.69
Step by Step Solution
- Step 1: Write the proportion equation
299,239.02 : 448,931.70 = 99,558.90 : x - Step 2: Convert to fraction form
299,239.02/448,931.70 = 99,558.90/x - Step 3: Cross multiply
299,239.02x = 448,931.70 × 99,558.90 - Step 4: Simplify right side
299,239.02x = 44,695,146,227.13 - Step 5: Solve for x
x = 44,695,146,227.13/299,239.02 - Step 6: Final answer
x = 149,362.69
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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.