Finding the Fourth Proportional to 249,364.28, 344,123.97 and 136,187.03
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Solution
The fourth proportional to 249,364.28, 344,123.97 and 136,187.03 is: 187,938.79
Step by Step Solution
- Step 1: Write the proportion equation
249,364.28 : 344,123.97 = 136,187.03 : x - Step 2: Convert to fraction form
249,364.28/344,123.97 = 136,187.03/x - Step 3: Cross multiply
249,364.28x = 344,123.97 × 136,187.03 - Step 4: Simplify right side
249,364.28x = 46,865,221,426.11 - Step 5: Solve for x
x = 46,865,221,426.11/249,364.28 - Step 6: Final answer
x = 187,938.79
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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.