Finding the Fourth Proportional to 307,327.12, 460,717.08 and 120,468.88
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Solution
The fourth proportional to 307,327.12, 460,717.08 and 120,468.88 is: 180,596.07
Step by Step Solution
- Step 1: Write the proportion equation
307,327.12 : 460,717.08 = 120,468.88 : x - Step 2: Convert to fraction form
307,327.12/460,717.08 = 120,468.88/x - Step 3: Cross multiply
307,327.12x = 460,717.08 × 120,468.88 - Step 4: Simplify right side
307,327.12x = 55,502,070,624.47 - Step 5: Solve for x
x = 55,502,070,624.47/307,327.12 - Step 6: Final answer
x = 180,596.07
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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.