Finding the Fourth Proportional to 524,859.70, 787,366.35 and 169,813.30
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Solution
The fourth proportional to 524,859.70, 787,366.35 and 169,813.30 is: 254,744.80
Step by Step Solution
- Step 1: Write the proportion equation
524,859.70 : 787,366.35 = 169,813.30 : x - Step 2: Convert to fraction form
524,859.70/787,366.35 = 169,813.30/x - Step 3: Cross multiply
524,859.70x = 787,366.35 × 169,813.30 - Step 4: Simplify right side
524,859.70x = 133,705,278,202.46 - Step 5: Solve for x
x = 133,705,278,202.46/524,859.70 - Step 6: Final answer
x = 254,744.80
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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.