Finding the Fourth Proportional to 249,619.80, 374,429.70 and 218,515.80
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Solution
The fourth proportional to 249,619.80, 374,429.70 and 218,515.80 is: 327,773.70
Step by Step Solution
- Step 1: Write the proportion equation
249,619.80 : 374,429.70 = 218,515.80 : x - Step 2: Convert to fraction form
249,619.80/374,429.70 = 218,515.80/x - Step 3: Cross multiply
249,619.80x = 374,429.70 × 218,515.80 - Step 4: Simplify right side
249,619.80x = 81,818,805,439.26 - Step 5: Solve for x
x = 81,818,805,439.26/249,619.80 - Step 6: Final answer
x = 327,773.70
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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.