Finding the Fourth Proportional to 306,041.70, 459,062.55 and 212,729.70
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Solution
The fourth proportional to 306,041.70, 459,062.55 and 212,729.70 is: 319,094.55
Step by Step Solution
- Step 1: Write the proportion equation
306,041.70 : 459,062.55 = 212,729.70 : x - Step 2: Convert to fraction form
306,041.70/459,062.55 = 212,729.70/x - Step 3: Cross multiply
306,041.70x = 459,062.55 × 212,729.70 - Step 4: Simplify right side
306,041.70x = 97,656,238,542.74 - Step 5: Solve for x
x = 97,656,238,542.74/306,041.70 - Step 6: Final answer
x = 319,094.55
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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.