Finding the Fourth Proportional to 249,954.48, 344,936.20 and 135,232.76
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Solution
The fourth proportional to 249,954.48, 344,936.20 and 135,232.76 is: 186,620.68
Step by Step Solution
- Step 1: Write the proportion equation
249,954.48 : 344,936.20 = 135,232.76 : x - Step 2: Convert to fraction form
249,954.48/344,936.20 = 135,232.76/x - Step 3: Cross multiply
249,954.48x = 344,936.20 × 135,232.76 - Step 4: Simplify right side
249,954.48x = 46,646,674,349.91 - Step 5: Solve for x
x = 46,646,674,349.91/249,954.48 - Step 6: Final answer
x = 186,620.68
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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.