Finding the Fourth Proportional to 77,209.36, 115,812.82 and 24,618.49
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Solution
The fourth proportional to 77,209.36, 115,812.82 and 24,618.49 is: 36,927.35
Step by Step Solution
- Step 1: Write the proportion equation
77,209.36 : 115,812.82 = 24,618.49 : x - Step 2: Convert to fraction form
77,209.36/115,812.82 = 24,618.49/x - Step 3: Cross multiply
77,209.36x = 115,812.82 × 24,618.49 - Step 4: Simplify right side
77,209.36x = 2,851,136,751.04 - Step 5: Solve for x
x = 2,851,136,751.04/77,209.36 - Step 6: Final answer
x = 36,927.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.