Finding the Fourth Proportional to 117,585.42, 176,438.42 and 57,612.74
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Solution
The fourth proportional to 117,585.42, 176,438.42 and 57,612.74 is: 86,448.65
Step by Step Solution
- Step 1: Write the proportion equation
117,585.42 : 176,438.42 = 57,612.74 : x - Step 2: Convert to fraction form
117,585.42/176,438.42 = 57,612.74/x - Step 3: Cross multiply
117,585.42x = 176,438.42 × 57,612.74 - Step 4: Simplify right side
117,585.42x = 10,165,100,817.47 - Step 5: Solve for x
x = 10,165,100,817.47/117,585.42 - Step 6: Final answer
x = 86,448.65
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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.