Finding the Fourth Proportional to 157,962.30, 236,908.47 and 45,618.06
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Solution
The fourth proportional to 157,962.30, 236,908.47 and 45,618.06 is: 68,416.99
Step by Step Solution
- Step 1: Write the proportion equation
157,962.30 : 236,908.47 = 45,618.06 : x - Step 2: Convert to fraction form
157,962.30/236,908.47 = 45,618.06/x - Step 3: Cross multiply
157,962.30x = 236,908.47 × 45,618.06 - Step 4: Simplify right side
157,962.30x = 10,807,304,798.97 - Step 5: Solve for x
x = 10,807,304,798.97/157,962.30 - Step 6: Final answer
x = 68,416.99
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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.