Finding the Fourth Proportional to 250,125.05, 345,206.99 and 153,386.75
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Solution
The fourth proportional to 250,125.05, 345,206.99 and 153,386.75 is: 211,694.83
Step by Step Solution
- Step 1: Write the proportion equation
250,125.05 : 345,206.99 = 153,386.75 : x - Step 2: Convert to fraction form
250,125.05/345,206.99 = 153,386.75/x - Step 3: Cross multiply
250,125.05x = 345,206.99 × 153,386.75 - Step 4: Simplify right side
250,125.05x = 52,950,179,519.87 - Step 5: Solve for x
x = 52,950,179,519.87/250,125.05 - Step 6: Final answer
x = 211,694.83
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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.