Finding the Fourth Proportional to 307,839.06, 424,813.76 and 171,875.09
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Solution
The fourth proportional to 307,839.06, 424,813.76 and 171,875.09 is: 237,185.31
Step by Step Solution
- Step 1: Write the proportion equation
307,839.06 : 424,813.76 = 171,875.09 : x - Step 2: Convert to fraction form
307,839.06/424,813.76 = 171,875.09/x - Step 3: Cross multiply
307,839.06x = 424,813.76 × 171,875.09 - Step 4: Simplify right side
307,839.06x = 73,014,901,109.17 - Step 5: Solve for x
x = 73,014,901,109.17/307,839.06 - Step 6: Final answer
x = 237,185.31
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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.