Finding the Fourth Proportional to 348,318.24, 480,778.52 and 205,160.80
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Solution
The fourth proportional to 348,318.24, 480,778.52 and 205,160.80 is: 283,180.42
Step by Step Solution
- Step 1: Write the proportion equation
348,318.24 : 480,778.52 = 205,160.80 : x - Step 2: Convert to fraction form
348,318.24/480,778.52 = 205,160.80/x - Step 3: Cross multiply
348,318.24x = 480,778.52 × 205,160.80 - Step 4: Simplify right side
348,318.24x = 98,636,905,786.02 - Step 5: Solve for x
x = 98,636,905,786.02/348,318.24 - Step 6: Final answer
x = 283,180.42
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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.