Finding the Fourth Proportional to 249,372.99, 344,134.17 and 136,195.74
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Solution
The fourth proportional to 249,372.99, 344,134.17 and 136,195.74 is: 187,949.82
Step by Step Solution
- Step 1: Write the proportion equation
249,372.99 : 344,134.17 = 136,195.74 : x - Step 2: Convert to fraction form
249,372.99/344,134.17 = 136,195.74/x - Step 3: Cross multiply
249,372.99x = 344,134.17 × 136,195.74 - Step 4: Simplify right side
249,372.99x = 46,869,607,942.44 - Step 5: Solve for x
x = 46,869,607,942.44/249,372.99 - Step 6: Final answer
x = 187,949.82
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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.