Finding the Fourth Proportional to 457,226.12, 630,917.88 and 263,631.80
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Solution
The fourth proportional to 457,226.12, 630,917.88 and 263,631.80 is: 363,780.65
Step by Step Solution
- Step 1: Write the proportion equation
457,226.12 : 630,917.88 = 263,631.80 : x - Step 2: Convert to fraction form
457,226.12/630,917.88 = 263,631.80/x - Step 3: Cross multiply
457,226.12x = 630,917.88 × 263,631.80 - Step 4: Simplify right side
457,226.12x = 166,330,016,356.58 - Step 5: Solve for x
x = 166,330,016,356.58/457,226.12 - Step 6: Final answer
x = 363,780.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.