Finding the Fourth Proportional to 249,980.33, 344,972.63 and 141,107.58
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Solution
The fourth proportional to 249,980.33, 344,972.63 and 141,107.58 is: 194,728.33
Step by Step Solution
- Step 1: Write the proportion equation
249,980.33 : 344,972.63 = 141,107.58 : x - Step 2: Convert to fraction form
249,980.33/344,972.63 = 141,107.58/x - Step 3: Cross multiply
249,980.33x = 344,972.63 × 141,107.58 - Step 4: Simplify right side
249,980.33x = 48,678,250,555.13 - Step 5: Solve for x
x = 48,678,250,555.13/249,980.33 - Step 6: Final answer
x = 194,728.33
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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.