Finding the Fourth Proportional to 293,760,429.80, 440,640,644.70 and 102,284,205.80
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Solution
The fourth proportional to 293,760,429.80, 440,640,644.70 and 102,284,205.80 is: 153,426,308.70
Step by Step Solution
- Step 1: Write the proportion equation
293,760,429.80 : 440,640,644.70 = 102,284,205.80 : x - Step 2: Convert to fraction form
293,760,429.80/440,640,644.70 = 102,284,205.80/x - Step 3: Cross multiply
293,760,429.80x = 440,640,644.70 × 102,284,205.80 - Step 4: Simplify right side
293,760,429.80x = 45,070,578,386,339,480 - Step 5: Solve for x
x = 45,070,578,386,339,480/293,760,429.80 - Step 6: Final answer
x = 153,426,308.70
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1.5x scale
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.