Finding the Fourth Proportional to 245,623.54, 368,435.28 and 68,130.55
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Solution
The fourth proportional to 245,623.54, 368,435.28 and 68,130.55 is: 102,195.82
Step by Step Solution
- Step 1: Write the proportion equation
245,623.54 : 368,435.28 = 68,130.55 : x - Step 2: Convert to fraction form
245,623.54/368,435.28 = 68,130.55/x - Step 3: Cross multiply
245,623.54x = 368,435.28 × 68,130.55 - Step 4: Simplify right side
245,623.54x = 25,101,698,265.80 - Step 5: Solve for x
x = 25,101,698,265.80/245,623.54 - Step 6: Final answer
x = 102,195.82
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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.