Finding the Fourth Proportional to 249,260.28, 344,008.74 and 140,368.14
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Solution
The fourth proportional to 249,260.28, 344,008.74 and 140,368.14 is: 193,724.68
Step by Step Solution
- Step 1: Write the proportion equation
249,260.28 : 344,008.74 = 140,368.14 : x - Step 2: Convert to fraction form
249,260.28/344,008.74 = 140,368.14/x - Step 3: Cross multiply
249,260.28x = 344,008.74 × 140,368.14 - Step 4: Simplify right side
249,260.28x = 48,287,866,977.54 - Step 5: Solve for x
x = 48,287,866,977.54/249,260.28 - Step 6: Final answer
x = 193,724.68
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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.