Finding the Fourth Proportional to 250,747.09, 346,037.07 and 137,569.84
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Solution
The fourth proportional to 250,747.09, 346,037.07 and 137,569.84 is: 189,849.72
Step by Step Solution
- Step 1: Write the proportion equation
250,747.09 : 346,037.07 = 137,569.84 : x - Step 2: Convert to fraction form
250,747.09/346,037.07 = 137,569.84/x - Step 3: Cross multiply
250,747.09x = 346,037.07 × 137,569.84 - Step 4: Simplify right side
250,747.09x = 47,604,264,353.97 - Step 5: Solve for x
x = 47,604,264,353.97/250,747.09 - Step 6: Final answer
x = 189,849.72
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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.