Finding the Fourth Proportional to 155,215.48, 233,860.38 and 140,239.99
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Solution
The fourth proportional to 155,215.48, 233,860.38 and 140,239.99 is: 211,297.08
Step by Step Solution
- Step 1: Write the proportion equation
155,215.48 : 233,860.38 = 140,239.99 : x - Step 2: Convert to fraction form
155,215.48/233,860.38 = 140,239.99/x - Step 3: Cross multiply
155,215.48x = 233,860.38 × 140,239.99 - Step 4: Simplify right side
155,215.48x = 32,796,577,352.60 - Step 5: Solve for x
x = 32,796,577,352.60/155,215.48 - Step 6: Final answer
x = 211,297.08
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.