Finding the Fourth Proportional to 761,339.98, 1,142,010.81 and 228,860.97
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Solution
The fourth proportional to 761,339.98, 1,142,010.81 and 228,860.97 is: 343,291.70
Step by Step Solution
- Step 1: Write the proportion equation
761,339.98 : 1,142,010.81 = 228,860.97 : x - Step 2: Convert to fraction form
761,339.98/1,142,010.81 = 228,860.97/x - Step 3: Cross multiply
761,339.98x = 1,142,010.81 × 228,860.97 - Step 4: Simplify right side
761,339.98x = 261,361,696,017.03 - Step 5: Solve for x
x = 261,361,696,017.03/761,339.98 - Step 6: Final answer
x = 343,291.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.