Finding the Fourth Proportional to 299,014.74, 412,624.63 and 169,935.98
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Solution
The fourth proportional to 299,014.74, 412,624.63 and 169,935.98 is: 234,502.72
Step by Step Solution
- Step 1: Write the proportion equation
299,014.74 : 412,624.63 = 169,935.98 : x - Step 2: Convert to fraction form
299,014.74/412,624.63 = 169,935.98/x - Step 3: Cross multiply
299,014.74x = 412,624.63 × 169,935.98 - Step 4: Simplify right side
299,014.74x = 70,119,769,020.48 - Step 5: Solve for x
x = 70,119,769,020.48/299,014.74 - Step 6: Final answer
x = 234,502.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.