Finding the Fourth Proportional to 226,368.04, 312,372.54 and 124,400.62
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Solution
The fourth proportional to 226,368.04, 312,372.54 and 124,400.62 is: 171,664.42
Step by Step Solution
- Step 1: Write the proportion equation
226,368.04 : 312,372.54 = 124,400.62 : x - Step 2: Convert to fraction form
226,368.04/312,372.54 = 124,400.62/x - Step 3: Cross multiply
226,368.04x = 312,372.54 × 124,400.62 - Step 4: Simplify right side
226,368.04x = 38,859,337,646.97 - Step 5: Solve for x
x = 38,859,337,646.97/226,368.04 - Step 6: Final answer
x = 171,664.42
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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.