Finding the Fourth Proportional to 419,964.62, 630,036.24 and 135,671.48
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Solution
The fourth proportional to 419,964.62, 630,036.24 and 135,671.48 is: 203,536.07
Step by Step Solution
- Step 1: Write the proportion equation
419,964.62 : 630,036.24 = 135,671.48 : x - Step 2: Convert to fraction form
419,964.62/630,036.24 = 135,671.48/x - Step 3: Cross multiply
419,964.62x = 630,036.24 × 135,671.48 - Step 4: Simplify right side
419,964.62x = 85,477,950,709.53 - Step 5: Solve for x
x = 85,477,950,709.53/419,964.62 - Step 6: Final answer
x = 203,536.07
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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.