Finding the Fourth Proportional to 239,515.19, 359,330.51 and 89,756.79
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Solution
The fourth proportional to 239,515.19, 359,330.51 and 89,756.79 is: 134,656.81
Step by Step Solution
- Step 1: Write the proportion equation
239,515.19 : 359,330.51 = 89,756.79 : x - Step 2: Convert to fraction form
239,515.19/359,330.51 = 89,756.79/x - Step 3: Cross multiply
239,515.19x = 359,330.51 × 89,756.79 - Step 4: Simplify right side
239,515.19x = 32,252,350,881.23 - Step 5: Solve for x
x = 32,252,350,881.23/239,515.19 - Step 6: Final answer
x = 134,656.81
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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.