Finding the Fourth Proportional to 245,893.80, 368,840.70 and 214,789.80
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Solution
The fourth proportional to 245,893.80, 368,840.70 and 214,789.80 is: 322,184.70
Step by Step Solution
- Step 1: Write the proportion equation
245,893.80 : 368,840.70 = 214,789.80 : x - Step 2: Convert to fraction form
245,893.80/368,840.70 = 214,789.80/x - Step 3: Cross multiply
245,893.80x = 368,840.70 × 214,789.80 - Step 4: Simplify right side
245,893.80x = 79,223,220,184.86 - Step 5: Solve for x
x = 79,223,220,184.86/245,893.80 - Step 6: Final answer
x = 322,184.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.