Finding the Fourth Proportional to 249,931.71, 344,546.97 and 178,187.18
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Solution
The fourth proportional to 249,931.71, 344,546.97 and 178,187.18 is: 245,642.50
Step by Step Solution
- Step 1: Write the proportion equation
249,931.71 : 344,546.97 = 178,187.18 : x - Step 2: Convert to fraction form
249,931.71/344,546.97 = 178,187.18/x - Step 3: Cross multiply
249,931.71x = 344,546.97 × 178,187.18 - Step 4: Simplify right side
249,931.71x = 61,393,850,570.91 - Step 5: Solve for x
x = 61,393,850,570.91/249,931.71 - Step 6: Final answer
x = 245,642.50
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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.