Finding the Fourth Proportional to 230,985.50, 318,759.99 and 125,001.50
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Solution
The fourth proportional to 230,985.50, 318,759.99 and 125,001.50 is: 172,502.07
Step by Step Solution
- Step 1: Write the proportion equation
230,985.50 : 318,759.99 = 125,001.50 : x - Step 2: Convert to fraction form
230,985.50/318,759.99 = 125,001.50/x - Step 3: Cross multiply
230,985.50x = 318,759.99 × 125,001.50 - Step 4: Simplify right side
230,985.50x = 39,845,476,889.99 - Step 5: Solve for x
x = 39,845,476,889.99/230,985.50 - Step 6: Final answer
x = 172,502.07
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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.