Finding the Fourth Proportional to 298,148.64, 446,911.84 and 120,778.08
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Solution
The fourth proportional to 298,148.64, 446,911.84 and 120,778.08 is: 181,041.09
Step by Step Solution
- Step 1: Write the proportion equation
298,148.64 : 446,911.84 = 120,778.08 : x - Step 2: Convert to fraction form
298,148.64/446,911.84 = 120,778.08/x - Step 3: Cross multiply
298,148.64x = 446,911.84 × 120,778.08 - Step 4: Simplify right side
298,148.64x = 53,977,153,964.47 - Step 5: Solve for x
x = 53,977,153,964.47/298,148.64 - Step 6: Final answer
x = 181,041.09
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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.