Finding the Fourth Proportional to 157,471.60, 236,207.40 and 97,547.80
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Solution
The fourth proportional to 157,471.60, 236,207.40 and 97,547.80 is: 146,321.70
Step by Step Solution
- Step 1: Write the proportion equation
157,471.60 : 236,207.40 = 97,547.80 : x - Step 2: Convert to fraction form
157,471.60/236,207.40 = 97,547.80/x - Step 3: Cross multiply
157,471.60x = 236,207.40 × 97,547.80 - Step 4: Simplify right side
157,471.60x = 23,041,512,213.72 - Step 5: Solve for x
x = 23,041,512,213.72/157,471.60 - Step 6: Final answer
x = 146,321.70
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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.