Finding the Fourth Proportional to 274,364.78, 413,603.57 and 256,075.99
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Solution
The fourth proportional to 274,364.78, 413,603.57 and 256,075.99 is: 386,033.31
Step by Step Solution
- Step 1: Write the proportion equation
274,364.78 : 413,603.57 = 256,075.99 : x - Step 2: Convert to fraction form
274,364.78/413,603.57 = 256,075.99/x - Step 3: Cross multiply
274,364.78x = 413,603.57 × 256,075.99 - Step 4: Simplify right side
274,364.78x = 105,913,943,261.47 - Step 5: Solve for x
x = 105,913,943,261.47/274,364.78 - Step 6: Final answer
x = 386,033.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.