Finding the Fourth Proportional to 146,416.13, 202,054.39 and 79,348.13
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Solution
The fourth proportional to 146,416.13, 202,054.39 and 79,348.13 is: 109,500.49
Step by Step Solution
- Step 1: Write the proportion equation
146,416.13 : 202,054.39 = 79,348.13 : x - Step 2: Convert to fraction form
146,416.13/202,054.39 = 79,348.13/x - Step 3: Cross multiply
146,416.13x = 202,054.39 × 79,348.13 - Step 4: Simplify right side
146,416.13x = 16,032,636,796.15 - Step 5: Solve for x
x = 16,032,636,796.15/146,416.13 - Step 6: Final answer
x = 109,500.49
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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.