Finding the Fourth Proportional to 249,585.14, 344,426.89 and 136,408.70
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Solution
The fourth proportional to 249,585.14, 344,426.89 and 136,408.70 is: 188,243.68
Step by Step Solution
- Step 1: Write the proportion equation
249,585.14 : 344,426.89 = 136,408.70 : x - Step 2: Convert to fraction form
249,585.14/344,426.89 = 136,408.70/x - Step 3: Cross multiply
249,585.14x = 344,426.89 × 136,408.70 - Step 4: Simplify right side
249,585.14x = 46,982,824,309.94 - Step 5: Solve for x
x = 46,982,824,309.94/249,585.14 - Step 6: Final answer
x = 188,243.68
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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.