Finding the Fourth Proportional to 485,242.08, 728,088.58 and 185,623.62
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Solution
The fourth proportional to 485,242.08, 728,088.58 and 185,623.62 is: 278,521.68
Step by Step Solution
- Step 1: Write the proportion equation
485,242.08 : 728,088.58 = 185,623.62 : x - Step 2: Convert to fraction form
485,242.08/728,088.58 = 185,623.62/x - Step 3: Cross multiply
485,242.08x = 728,088.58 × 185,623.62 - Step 4: Simplify right side
485,242.08x = 135,150,437,900.26 - Step 5: Solve for x
x = 135,150,437,900.26/485,242.08 - Step 6: Final answer
x = 278,521.68
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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.