Finding the Fourth Proportional to 307,969.25, 424,955.58 and 171,985.82
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Solution
The fourth proportional to 307,969.25, 424,955.58 and 171,985.82 is: 237,316.99
Step by Step Solution
- Step 1: Write the proportion equation
307,969.25 : 424,955.58 = 171,985.82 : x - Step 2: Convert to fraction form
307,969.25/424,955.58 = 171,985.82/x - Step 3: Cross multiply
307,969.25x = 424,955.58 × 171,985.82 - Step 4: Simplify right side
307,969.25x = 73,086,333,889.88 - Step 5: Solve for x
x = 73,086,333,889.88/307,969.25 - Step 6: Final answer
x = 237,316.99
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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.