Finding the Fourth Proportional to 112,283.19, 154,951.08 and 61,295.95
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Solution
The fourth proportional to 112,283.19, 154,951.08 and 61,295.95 is: 84,588.56
Step by Step Solution
- Step 1: Write the proportion equation
112,283.19 : 154,951.08 = 61,295.95 : x - Step 2: Convert to fraction form
112,283.19/154,951.08 = 61,295.95/x - Step 3: Cross multiply
112,283.19x = 154,951.08 × 61,295.95 - Step 4: Simplify right side
112,283.19x = 9,497,873,652.13 - Step 5: Solve for x
x = 9,497,873,652.13/112,283.19 - Step 6: Final answer
x = 84,588.56
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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.