Finding the Fourth Proportional to 369,191.30, 553,880.35 and 102,951.84
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Solution
The fourth proportional to 369,191.30, 553,880.35 and 102,951.84 is: 154,453.81
Step by Step Solution
- Step 1: Write the proportion equation
369,191.30 : 553,880.35 = 102,951.84 : x - Step 2: Convert to fraction form
369,191.30/553,880.35 = 102,951.84/x - Step 3: Cross multiply
369,191.30x = 553,880.35 × 102,951.84 - Step 4: Simplify right side
369,191.30x = 57,023,001,108.00 - Step 5: Solve for x
x = 57,023,001,108.00/369,191.30 - Step 6: Final answer
x = 154,453.81
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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.