Finding the Fourth Proportional to 145,806.99, 218,710.49 and 34,998.99
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Solution
The fourth proportional to 145,806.99, 218,710.49 and 34,998.99 is: 52,498.49
Step by Step Solution
- Step 1: Write the proportion equation
145,806.99 : 218,710.49 = 34,998.99 : x - Step 2: Convert to fraction form
145,806.99/218,710.49 = 34,998.99/x - Step 3: Cross multiply
145,806.99x = 218,710.49 × 34,998.99 - Step 4: Simplify right side
145,806.99x = 7,654,646,077.41 - Step 5: Solve for x
x = 7,654,646,077.41/145,806.99 - Step 6: Final answer
x = 52,498.49
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Double scale
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Similar ratio
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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.