Finding the Fourth Proportional to 144,502.12, 216,472.74 and 106,482.40
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Solution
The fourth proportional to 144,502.12, 216,472.74 and 106,482.40 is: 159,516.95
Step by Step Solution
- Step 1: Write the proportion equation
144,502.12 : 216,472.74 = 106,482.40 : x - Step 2: Convert to fraction form
144,502.12/216,472.74 = 106,482.40/x - Step 3: Cross multiply
144,502.12x = 216,472.74 × 106,482.40 - Step 4: Simplify right side
144,502.12x = 23,050,536,889.78 - Step 5: Solve for x
x = 23,050,536,889.78/144,502.12 - Step 6: Final answer
x = 159,516.95
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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.