Finding the Fourth Proportional to 146,671.98, 202,407.41 and 79,603.98
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Solution
The fourth proportional to 146,671.98, 202,407.41 and 79,603.98 is: 109,853.53
Step by Step Solution
- Step 1: Write the proportion equation
146,671.98 : 202,407.41 = 79,603.98 : x - Step 2: Convert to fraction form
146,671.98/202,407.41 = 79,603.98/x - Step 3: Cross multiply
146,671.98x = 202,407.41 × 79,603.98 - Step 4: Simplify right side
146,671.98x = 16,112,435,417.49 - Step 5: Solve for x
x = 16,112,435,417.49/146,671.98 - Step 6: Final answer
x = 109,853.53
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1.5x scale
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.