Finding the Fourth Proportional to 230,488.02, 317,862.09 and 157,996.26
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Solution
The fourth proportional to 230,488.02, 317,862.09 and 157,996.26 is: 217,889.94
Step by Step Solution
- Step 1: Write the proportion equation
230,488.02 : 317,862.09 = 157,996.26 : x - Step 2: Convert to fraction form
230,488.02/317,862.09 = 157,996.26/x - Step 3: Cross multiply
230,488.02x = 317,862.09 × 157,996.26 - Step 4: Simplify right side
230,488.02x = 50,221,021,415.78 - Step 5: Solve for x
x = 50,221,021,415.78/230,488.02 - Step 6: Final answer
x = 217,889.94
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1.5x scale
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.