Finding the Fourth Proportional to 101,490.70, 152,236.05 and 97,408.30
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Solution
The fourth proportional to 101,490.70, 152,236.05 and 97,408.30 is: 146,112.45
Step by Step Solution
- Step 1: Write the proportion equation
101,490.70 : 152,236.05 = 97,408.30 : x - Step 2: Convert to fraction form
101,490.70/152,236.05 = 97,408.30/x - Step 3: Cross multiply
101,490.70x = 152,236.05 × 97,408.30 - Step 4: Simplify right side
101,490.70x = 14,829,054,829.22 - Step 5: Solve for x
x = 14,829,054,829.22/101,490.70 - Step 6: Final answer
x = 146,112.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.