Finding the Fourth Proportional to 157,607.64, 235,023.36 and 156,186.09
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Solution
The fourth proportional to 157,607.64, 235,023.36 and 156,186.09 is: 232,903.55
Step by Step Solution
- Step 1: Write the proportion equation
157,607.64 : 235,023.36 = 156,186.09 : x - Step 2: Convert to fraction form
157,607.64/235,023.36 = 156,186.09/x - Step 3: Cross multiply
157,607.64x = 235,023.36 × 156,186.09 - Step 4: Simplify right side
157,607.64x = 36,707,379,071.36 - Step 5: Solve for x
x = 36,707,379,071.36/157,607.64 - Step 6: Final answer
x = 232,903.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.