Finding the Fourth Proportional to 314,239.28, 471,359.88 and 77,581.99
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Solution
The fourth proportional to 314,239.28, 471,359.88 and 77,581.99 is: 116,373.21
Step by Step Solution
- Step 1: Write the proportion equation
314,239.28 : 471,359.88 = 77,581.99 : x - Step 2: Convert to fraction form
314,239.28/471,359.88 = 77,581.99/x - Step 3: Cross multiply
314,239.28x = 471,359.88 × 77,581.99 - Step 4: Simplify right side
314,239.28x = 36,569,035,139.76 - Step 5: Solve for x
x = 36,569,035,139.76/314,239.28 - Step 6: Final answer
x = 116,373.21
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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.