Finding the Fourth Proportional to 411,542.08, 568,122.24 and 309,606.48
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Solution
The fourth proportional to 411,542.08, 568,122.24 and 309,606.48 is: 427,403.02
Step by Step Solution
- Step 1: Write the proportion equation
411,542.08 : 568,122.24 = 309,606.48 : x - Step 2: Convert to fraction form
411,542.08/568,122.24 = 309,606.48/x - Step 3: Cross multiply
411,542.08x = 568,122.24 × 309,606.48 - Step 4: Simplify right side
411,542.08x = 175,894,326,936.12 - Step 5: Solve for x
x = 175,894,326,936.12/411,542.08 - Step 6: Final answer
x = 427,403.02
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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.