Finding the Fourth Proportional to 415,026.60, 621,106.30 and 248,933.80
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Solution
The fourth proportional to 415,026.60, 621,106.30 and 248,933.80 is: 372,540.82
Step by Step Solution
- Step 1: Write the proportion equation
415,026.60 : 621,106.30 = 248,933.80 : x - Step 2: Convert to fraction form
415,026.60/621,106.30 = 248,933.80/x - Step 3: Cross multiply
415,026.60x = 621,106.30 × 248,933.80 - Step 4: Simplify right side
415,026.60x = 154,614,351,462.94 - Step 5: Solve for x
x = 154,614,351,462.94/415,026.60 - Step 6: Final answer
x = 372,540.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.