Finding the Fourth Proportional to 367,089.36, 550,465.08 and 145,321.68
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Solution
The fourth proportional to 367,089.36, 550,465.08 and 145,321.68 is: 217,915.63
Step by Step Solution
- Step 1: Write the proportion equation
367,089.36 : 550,465.08 = 145,321.68 : x - Step 2: Convert to fraction form
367,089.36/550,465.08 = 145,321.68/x - Step 3: Cross multiply
367,089.36x = 550,465.08 × 145,321.68 - Step 4: Simplify right side
367,089.36x = 79,994,510,206.93 - Step 5: Solve for x
x = 79,994,510,206.93/367,089.36 - Step 6: Final answer
x = 217,915.63
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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.