Finding the Fourth Proportional to 452,840.25, 679,218.74 and 153,286.59
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Solution
The fourth proportional to 452,840.25, 679,218.74 and 153,286.59 is: 229,915.79
Step by Step Solution
- Step 1: Write the proportion equation
452,840.25 : 679,218.74 = 153,286.59 : x - Step 2: Convert to fraction form
452,840.25/679,218.74 = 153,286.59/x - Step 3: Cross multiply
452,840.25x = 679,218.74 × 153,286.59 - Step 4: Simplify right side
452,840.25x = 104,115,123,752.26 - Step 5: Solve for x
x = 104,115,123,752.26/452,840.25 - Step 6: Final answer
x = 229,915.79
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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.