Finding the Fourth Proportional to 97,317.64, 134,258.88 and 68,678.88
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Solution
The fourth proportional to 97,317.64, 134,258.88 and 68,678.88 is: 94,749.00
Step by Step Solution
- Step 1: Write the proportion equation
97,317.64 : 134,258.88 = 68,678.88 : x - Step 2: Convert to fraction form
97,317.64/134,258.88 = 68,678.88/x - Step 3: Cross multiply
97,317.64x = 134,258.88 × 68,678.88 - Step 4: Simplify right side
97,317.64x = 9,220,749,508.45 - Step 5: Solve for x
x = 9,220,749,508.45/97,317.64 - Step 6: Final answer
x = 94,749.00
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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.