Finding the Fourth Proportional to 245,623.10, 368,434.65 and 183,415.10
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Solution
The fourth proportional to 245,623.10, 368,434.65 and 183,415.10 is: 275,122.65
Step by Step Solution
- Step 1: Write the proportion equation
245,623.10 : 368,434.65 = 183,415.10 : x - Step 2: Convert to fraction form
245,623.10/368,434.65 = 183,415.10/x - Step 3: Cross multiply
245,623.10x = 368,434.65 × 183,415.10 - Step 4: Simplify right side
245,623.10x = 67,576,478,173.22 - Step 5: Solve for x
x = 67,576,478,173.22/245,623.10 - Step 6: Final answer
x = 275,122.65
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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.