Finding the Fourth Proportional to 298,285.19, 411,633.63 and 164,149.19
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Solution
The fourth proportional to 298,285.19, 411,633.63 and 164,149.19 is: 226,525.92
Step by Step Solution
- Step 1: Write the proportion equation
298,285.19 : 411,633.63 = 164,149.19 : x - Step 2: Convert to fraction form
298,285.19/411,633.63 = 164,149.19/x - Step 3: Cross multiply
298,285.19x = 411,633.63 × 164,149.19 - Step 4: Simplify right side
298,285.19x = 67,569,326,941.26 - Step 5: Solve for x
x = 67,569,326,941.26/298,285.19 - Step 6: Final answer
x = 226,525.92
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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.