Finding the Fourth Proportional to 145,702.35, 201,078.54 and 88,347.15
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Solution
The fourth proportional to 145,702.35, 201,078.54 and 88,347.15 is: 121,924.70
Step by Step Solution
- Step 1: Write the proportion equation
145,702.35 : 201,078.54 = 88,347.15 : x - Step 2: Convert to fraction form
145,702.35/201,078.54 = 88,347.15/x - Step 3: Cross multiply
145,702.35x = 201,078.54 × 88,347.15 - Step 4: Simplify right side
145,702.35x = 17,764,715,935.16 - Step 5: Solve for x
x = 17,764,715,935.16/145,702.35 - Step 6: Final answer
x = 121,924.70
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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.