Finding the Fourth Proportional to 157,466.10, 236,199.15 and 97,542.30
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Solution
The fourth proportional to 157,466.10, 236,199.15 and 97,542.30 is: 146,313.45
Step by Step Solution
- Step 1: Write the proportion equation
157,466.10 : 236,199.15 = 97,542.30 : x - Step 2: Convert to fraction form
157,466.10/236,199.15 = 97,542.30/x - Step 3: Cross multiply
157,466.10x = 236,199.15 × 97,542.30 - Step 4: Simplify right side
157,466.10x = 23,039,408,349.05 - Step 5: Solve for x
x = 23,039,408,349.05/157,466.10 - Step 6: Final answer
x = 146,313.45
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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.