Finding the Fourth Proportional to 316,157.12, 474,235.68 and 116,403.92
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Solution
The fourth proportional to 316,157.12, 474,235.68 and 116,403.92 is: 174,605.88
Step by Step Solution
- Step 1: Write the proportion equation
316,157.12 : 474,235.68 = 116,403.92 : x - Step 2: Convert to fraction form
316,157.12/474,235.68 = 116,403.92/x - Step 3: Cross multiply
316,157.12x = 474,235.68 × 116,403.92 - Step 4: Simplify right side
316,157.12x = 55,202,892,155.87 - Step 5: Solve for x
x = 55,202,892,155.87/316,157.12 - Step 6: Final answer
x = 174,605.88
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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.