Finding the Fourth Proportional to 350,613.12, 483,712.80 and 214,537.92
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Solution
The fourth proportional to 350,613.12, 483,712.80 and 214,537.92 is: 295,980.76
Step by Step Solution
- Step 1: Write the proportion equation
350,613.12 : 483,712.80 = 214,537.92 : x - Step 2: Convert to fraction form
350,613.12/483,712.80 = 214,537.92/x - Step 3: Cross multiply
350,613.12x = 483,712.80 × 214,537.92 - Step 4: Simplify right side
350,613.12x = 103,774,737,989.38 - Step 5: Solve for x
x = 103,774,737,989.38/350,613.12 - Step 6: Final answer
x = 295,980.76
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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.