Finding the Fourth Proportional to 157,368.13, 217,102.98 and 109,649.14
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Solution
The fourth proportional to 157,368.13, 217,102.98 and 109,649.14 is: 151,270.49
Step by Step Solution
- Step 1: Write the proportion equation
157,368.13 : 217,102.98 = 109,649.14 : x - Step 2: Convert to fraction form
157,368.13/217,102.98 = 109,649.14/x - Step 3: Cross multiply
157,368.13x = 217,102.98 × 109,649.14 - Step 4: Simplify right side
157,368.13x = 23,805,153,962.92 - Step 5: Solve for x
x = 23,805,153,962.92/157,368.13 - Step 6: Final answer
x = 151,270.49
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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.