Finding the Fourth Proportional to 371,790.74, 513,074.45 and 202,024.87
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Solution
The fourth proportional to 371,790.74, 513,074.45 and 202,024.87 is: 278,796.07
Step by Step Solution
- Step 1: Write the proportion equation
371,790.74 : 513,074.45 = 202,024.87 : x - Step 2: Convert to fraction form
371,790.74/513,074.45 = 202,024.87/x - Step 3: Cross multiply
371,790.74x = 513,074.45 × 202,024.87 - Step 4: Simplify right side
371,790.74x = 103,653,798,283.95 - Step 5: Solve for x
x = 103,653,798,283.95/371,790.74 - Step 6: Final answer
x = 278,796.07
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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.