Finding the Fourth Proportional to 398,272.02, 549,615.15 and 219,424.02
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Solution
The fourth proportional to 398,272.02, 549,615.15 and 219,424.02 is: 302,805.02
Step by Step Solution
- Step 1: Write the proportion equation
398,272.02 : 549,615.15 = 219,424.02 : x - Step 2: Convert to fraction form
398,272.02/549,615.15 = 219,424.02/x - Step 3: Cross multiply
398,272.02x = 549,615.15 × 219,424.02 - Step 4: Simplify right side
398,272.02x = 120,598,765,665.90 - Step 5: Solve for x
x = 120,598,765,665.90/398,272.02 - Step 6: Final answer
x = 302,805.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.