Finding the Fourth Proportional to 254,973.35, 382,287.50 and 142,731.05
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Solution
The fourth proportional to 254,973.35, 382,287.50 and 142,731.05 is: 213,999.99
Step by Step Solution
- Step 1: Write the proportion equation
254,973.35 : 382,287.50 = 142,731.05 : x - Step 2: Convert to fraction form
254,973.35/382,287.50 = 142,731.05/x - Step 3: Cross multiply
254,973.35x = 382,287.50 × 142,731.05 - Step 4: Simplify right side
254,973.35x = 54,564,294,187.02 - Step 5: Solve for x
x = 54,564,294,187.02/254,973.35 - Step 6: Final answer
x = 213,999.99
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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.