Finding the Fourth Proportional to 479,313.91, 718,971.11 and 163,773.91
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Solution
The fourth proportional to 479,313.91, 718,971.11 and 163,773.91 is: 245,660.95
Step by Step Solution
- Step 1: Write the proportion equation
479,313.91 : 718,971.11 = 163,773.91 : x - Step 2: Convert to fraction form
479,313.91/718,971.11 = 163,773.91/x - Step 3: Cross multiply
479,313.91x = 718,971.11 × 163,773.91 - Step 4: Simplify right side
479,313.91x = 117,748,709,861.74 - Step 5: Solve for x
x = 117,748,709,861.74/479,313.91 - Step 6: Final answer
x = 245,660.95
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1.5x scale
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.