Finding the Fourth Proportional to 351,349.20, 526,246.20 and 289,141.20
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Solution
The fourth proportional to 351,349.20, 526,246.20 and 289,141.20 is: 433,071.88
Step by Step Solution
- Step 1: Write the proportion equation
351,349.20 : 526,246.20 = 289,141.20 : x - Step 2: Convert to fraction form
351,349.20/526,246.20 = 289,141.20/x - Step 3: Cross multiply
351,349.20x = 526,246.20 × 289,141.20 - Step 4: Simplify right side
351,349.20x = 152,159,457,763.44 - Step 5: Solve for x
x = 152,159,457,763.44/351,349.20 - Step 6: Final answer
x = 433,071.88
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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.