Finding the Fourth Proportional to 450,753.52, 621,377.16 and 343,136.08
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Solution
The fourth proportional to 450,753.52, 621,377.16 and 343,136.08 is: 473,023.31
Step by Step Solution
- Step 1: Write the proportion equation
450,753.52 : 621,377.16 = 343,136.08 : x - Step 2: Convert to fraction form
450,753.52/621,377.16 = 343,136.08/x - Step 3: Cross multiply
450,753.52x = 621,377.16 × 343,136.08 - Step 4: Simplify right side
450,753.52x = 213,216,922,883.93 - Step 5: Solve for x
x = 213,216,922,883.93/450,753.52 - Step 6: Final answer
x = 473,023.31
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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.