Finding the Fourth Proportional to 157,124.35, 235,781.08 and 57,293.06
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Solution
The fourth proportional to 157,124.35, 235,781.08 and 57,293.06 is: 85,974.07
Step by Step Solution
- Step 1: Write the proportion equation
157,124.35 : 235,781.08 = 57,293.06 : x - Step 2: Convert to fraction form
157,124.35/235,781.08 = 57,293.06/x - Step 3: Cross multiply
157,124.35x = 235,781.08 × 57,293.06 - Step 4: Simplify right side
157,124.35x = 13,508,619,563.30 - Step 5: Solve for x
x = 13,508,619,563.30/157,124.35 - Step 6: Final answer
x = 85,974.07
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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.