Finding the Fourth Proportional to 245,347.80, 368,021.70 and 192,203.70
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Solution
The fourth proportional to 245,347.80, 368,021.70 and 192,203.70 is: 288,305.55
Step by Step Solution
- Step 1: Write the proportion equation
245,347.80 : 368,021.70 = 192,203.70 : x - Step 2: Convert to fraction form
245,347.80/368,021.70 = 192,203.70/x - Step 3: Cross multiply
245,347.80x = 368,021.70 × 192,203.70 - Step 4: Simplify right side
245,347.80x = 70,735,132,420.29 - Step 5: Solve for x
x = 70,735,132,420.29/245,347.80 - Step 6: Final answer
x = 288,305.55
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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.