Finding the Fourth Proportional to 245,623.19, 368,434.77 and 68,130.21
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Solution
The fourth proportional to 245,623.19, 368,434.77 and 68,130.21 is: 102,195.31
Step by Step Solution
- Step 1: Write the proportion equation
245,623.19 : 368,434.77 = 68,130.21 : x - Step 2: Convert to fraction form
245,623.19/368,434.77 = 68,130.21/x - Step 3: Cross multiply
245,623.19x = 368,434.77 × 68,130.21 - Step 4: Simplify right side
245,623.19x = 25,101,537,910.75 - Step 5: Solve for x
x = 25,101,537,910.75/245,623.19 - Step 6: Final answer
x = 102,195.31
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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.