Finding the Fourth Proportional to 250,261.01, 345,366.50 and 153,518.20
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Solution
The fourth proportional to 250,261.01, 345,366.50 and 153,518.20 is: 211,858.99
Step by Step Solution
- Step 1: Write the proportion equation
250,261.01 : 345,366.50 = 153,518.20 : x - Step 2: Convert to fraction form
250,261.01/345,366.50 = 153,518.20/x - Step 3: Cross multiply
250,261.01x = 345,366.50 × 153,518.20 - Step 4: Simplify right side
250,261.01x = 53,020,044,595.52 - Step 5: Solve for x
x = 53,020,044,595.52/250,261.01 - Step 6: Final answer
x = 211,858.99
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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.