Finding the Fourth Proportional to 552,862.18, 763,185.21 and 371,679.19
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Solution
The fourth proportional to 552,862.18, 763,185.21 and 371,679.19 is: 513,075.54
Step by Step Solution
- Step 1: Write the proportion equation
552,862.18 : 763,185.21 = 371,679.19 : x - Step 2: Convert to fraction form
552,862.18/763,185.21 = 371,679.19/x - Step 3: Cross multiply
552,862.18x = 763,185.21 × 371,679.19 - Step 4: Simplify right side
552,862.18x = 283,660,057,371.02 - Step 5: Solve for x
x = 283,660,057,371.02/552,862.18 - Step 6: Final answer
x = 513,075.54
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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.