Finding the Fourth Proportional to 193,641.80, 290,462.70 and 188,457.80
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Solution
The fourth proportional to 193,641.80, 290,462.70 and 188,457.80 is: 282,686.70
Step by Step Solution
- Step 1: Write the proportion equation
193,641.80 : 290,462.70 = 188,457.80 : x - Step 2: Convert to fraction form
193,641.80/290,462.70 = 188,457.80/x - Step 3: Cross multiply
193,641.80x = 290,462.70 × 188,457.80 - Step 4: Simplify right side
193,641.80x = 54,739,961,424.06 - Step 5: Solve for x
x = 54,739,961,424.06/193,641.80 - Step 6: Final answer
x = 282,686.70
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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.