Finding the Fourth Proportional to 462,360, 693,540 and 129,936
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Solution
The fourth proportional to 462,360, 693,540 and 129,936 is: 194,904
Step by Step Solution
- Step 1: Write the proportion equation
462,360 : 693,540 = 129,936 : x - Step 2: Convert to fraction form
462,360/693,540 = 129,936/x - Step 3: Cross multiply
462,360x = 693,540 × 129,936 - Step 4: Simplify right side
462,360x = 90,115,813,440 - Step 5: Solve for x
x = 90,115,813,440/462,360 - Step 6: Final answer
x = 194,904
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.