Finding the Fourth Proportional to 368,101.08, 506,523.24 and 307,477.44
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Solution
The fourth proportional to 368,101.08, 506,523.24 and 307,477.44 is: 423,102.45
Step by Step Solution
- Step 1: Write the proportion equation
368,101.08 : 506,523.24 = 307,477.44 : x - Step 2: Convert to fraction form
368,101.08/506,523.24 = 307,477.44/x - Step 3: Cross multiply
368,101.08x = 506,523.24 × 307,477.44 - Step 4: Simplify right side
368,101.08x = 155,744,469,135.71 - Step 5: Solve for x
x = 155,744,469,135.71/368,101.08 - Step 6: Final answer
x = 423,102.45
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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.