Finding the Fourth Proportional to 340,477.35, 469,717.71 and 202,628.70
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Solution
The fourth proportional to 340,477.35, 469,717.71 and 202,628.70 is: 279,543.67
Step by Step Solution
- Step 1: Write the proportion equation
340,477.35 : 469,717.71 = 202,628.70 : x - Step 2: Convert to fraction form
340,477.35/469,717.71 = 202,628.70/x - Step 3: Cross multiply
340,477.35x = 469,717.71 × 202,628.70 - Step 4: Simplify right side
340,477.35x = 95,178,288,944.28 - Step 5: Solve for x
x = 95,178,288,944.28/340,477.35 - Step 6: Final answer
x = 279,543.67
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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.