Finding the Fourth Proportional to 277,506.99, 382,918.70 and 162,742.28
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Solution
The fourth proportional to 277,506.99, 382,918.70 and 162,742.28 is: 224,560.34
Step by Step Solution
- Step 1: Write the proportion equation
277,506.99 : 382,918.70 = 162,742.28 : x - Step 2: Convert to fraction form
277,506.99/382,918.70 = 162,742.28/x - Step 3: Cross multiply
277,506.99x = 382,918.70 × 162,742.28 - Step 4: Simplify right side
277,506.99x = 62,317,062,945.54 - Step 5: Solve for x
x = 62,317,062,945.54/277,506.99 - Step 6: Final answer
x = 224,560.34
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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.