Finding the Fourth Proportional to 454,309.98, 626,925.30 and 263,385.42
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Solution
The fourth proportional to 454,309.98, 626,925.30 and 263,385.42 is: 363,458.85
Step by Step Solution
- Step 1: Write the proportion equation
454,309.98 : 626,925.30 = 263,385.42 : x - Step 2: Convert to fraction form
454,309.98/626,925.30 = 263,385.42/x - Step 3: Cross multiply
454,309.98x = 626,925.30 × 263,385.42 - Step 4: Simplify right side
454,309.98x = 165,122,983,449.13 - Step 5: Solve for x
x = 165,122,983,449.13/454,309.98 - Step 6: Final answer
x = 363,458.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.