Finding the Fourth Proportional to 371,943.77, 513,282.75 and 202,177.90
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Solution
The fourth proportional to 371,943.77, 513,282.75 and 202,177.90 is: 279,005.69
Step by Step Solution
- Step 1: Write the proportion equation
371,943.77 : 513,282.75 = 202,177.90 : x - Step 2: Convert to fraction form
371,943.77/513,282.75 = 202,177.90/x - Step 3: Cross multiply
371,943.77x = 513,282.75 × 202,177.90 - Step 4: Simplify right side
371,943.77x = 103,774,427,509.68 - Step 5: Solve for x
x = 103,774,427,509.68/371,943.77 - Step 6: Final answer
x = 279,005.69
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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.