Finding the Fourth Proportional to 614,433.05, 921,315.74 and 277,078.79
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Solution
The fourth proportional to 614,433.05, 921,315.74 and 277,078.79 is: 415,467.64
Step by Step Solution
- Step 1: Write the proportion equation
614,433.05 : 921,315.74 = 277,078.79 : x - Step 2: Convert to fraction form
614,433.05/921,315.74 = 277,078.79/x - Step 3: Cross multiply
614,433.05x = 921,315.74 × 277,078.79 - Step 4: Simplify right side
614,433.05x = 255,277,044,455.18 - Step 5: Solve for x
x = 255,277,044,455.18/614,433.05 - Step 6: Final answer
x = 415,467.64
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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.