Finding the Fourth Proportional to 98,258.49, 135,558.23 and 60,467.13
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Solution
The fourth proportional to 98,258.49, 135,558.23 and 60,467.13 is: 83,420.95
Step by Step Solution
- Step 1: Write the proportion equation
98,258.49 : 135,558.23 = 60,467.13 : x - Step 2: Convert to fraction form
98,258.49/135,558.23 = 60,467.13/x - Step 3: Cross multiply
98,258.49x = 135,558.23 × 60,467.13 - Step 4: Simplify right side
98,258.49x = 8,196,816,813.64 - Step 5: Solve for x
x = 8,196,816,813.64/98,258.49 - Step 6: Final answer
x = 83,420.95
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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.