Finding the Fourth Proportional to 510,116.84, 703,951.14 and 280,664.68
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Solution
The fourth proportional to 510,116.84, 703,951.14 and 280,664.68 is: 387,311.70
Step by Step Solution
- Step 1: Write the proportion equation
510,116.84 : 703,951.14 = 280,664.68 : x - Step 2: Convert to fraction form
510,116.84/703,951.14 = 280,664.68/x - Step 3: Cross multiply
510,116.84x = 703,951.14 × 280,664.68 - Step 4: Simplify right side
510,116.84x = 197,574,221,443.74 - Step 5: Solve for x
x = 197,574,221,443.74/510,116.84 - Step 6: Final answer
x = 387,311.70
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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.