Finding the Fourth Proportional to 509,592.24, 703,246.26 and 280,159.20
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Solution
The fourth proportional to 509,592.24, 703,246.26 and 280,159.20 is: 386,624.63
Step by Step Solution
- Step 1: Write the proportion equation
509,592.24 : 703,246.26 = 280,159.20 : x - Step 2: Convert to fraction form
509,592.24/703,246.26 = 280,159.20/x - Step 3: Cross multiply
509,592.24x = 703,246.26 × 280,159.20 - Step 4: Simplify right side
509,592.24x = 197,020,909,604.59 - Step 5: Solve for x
x = 197,020,909,604.59/509,592.24 - Step 6: Final answer
x = 386,624.63
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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.