Finding the Fourth Proportional to 369,195.96, 553,785.99 and 102,949.38
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Solution
The fourth proportional to 369,195.96, 553,785.99 and 102,949.38 is: 154,421.85
Step by Step Solution
- Step 1: Write the proportion equation
369,195.96 : 553,785.99 = 102,949.38 : x - Step 2: Convert to fraction form
369,195.96/553,785.99 = 102,949.38/x - Step 3: Cross multiply
369,195.96x = 553,785.99 × 102,949.38 - Step 4: Simplify right side
369,195.96x = 57,011,924,323.19 - Step 5: Solve for x
x = 57,011,924,323.19/369,195.96 - Step 6: Final answer
x = 154,421.85
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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.