Finding the Fourth Proportional to 178,278.09, 246,024.12 and 97,708.61
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Solution
The fourth proportional to 178,278.09, 246,024.12 and 97,708.61 is: 134,838.07
Step by Step Solution
- Step 1: Write the proportion equation
178,278.09 : 246,024.12 = 97,708.61 : x - Step 2: Convert to fraction form
178,278.09/246,024.12 = 97,708.61/x - Step 3: Cross multiply
178,278.09x = 246,024.12 × 97,708.61 - Step 4: Simplify right side
178,278.09x = 24,038,673,561.55 - Step 5: Solve for x
x = 24,038,673,561.55/178,278.09 - Step 6: Final answer
x = 134,838.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.