Finding the Fourth Proportional to 239,148.81, 358,708.64 and 98,903.79
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Solution
The fourth proportional to 239,148.81, 358,708.64 and 98,903.79 is: 148,349.66
Step by Step Solution
- Step 1: Write the proportion equation
239,148.81 : 358,708.64 = 98,903.79 : x - Step 2: Convert to fraction form
239,148.81/358,708.64 = 98,903.79/x - Step 3: Cross multiply
239,148.81x = 358,708.64 × 98,903.79 - Step 4: Simplify right side
239,148.81x = 35,477,643,507.23 - Step 5: Solve for x
x = 35,477,643,507.23/239,148.81 - Step 6: Final answer
x = 148,349.66
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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.