Finding the Fourth Proportional to 149,509.20, 224,263.80 and 102,619.92
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Solution
The fourth proportional to 149,509.20, 224,263.80 and 102,619.92 is: 153,929.88
Step by Step Solution
- Step 1: Write the proportion equation
149,509.20 : 224,263.80 = 102,619.92 : x - Step 2: Convert to fraction form
149,509.20/224,263.80 = 102,619.92/x - Step 3: Cross multiply
149,509.20x = 224,263.80 × 102,619.92 - Step 4: Simplify right side
149,509.20x = 23,013,933,214.90 - Step 5: Solve for x
x = 23,013,933,214.90/149,509.20 - Step 6: Final answer
x = 153,929.88
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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.