Finding the Fourth Proportional to 199,913.68, 299,870.68 and 52,169.68
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Solution
The fourth proportional to 199,913.68, 299,870.68 and 52,169.68 is: 78,254.56
Step by Step Solution
- Step 1: Write the proportion equation
199,913.68 : 299,870.68 = 52,169.68 : x - Step 2: Convert to fraction form
199,913.68/299,870.68 = 52,169.68/x - Step 3: Cross multiply
199,913.68x = 299,870.68 × 52,169.68 - Step 4: Simplify right side
199,913.68x = 15,644,157,416.98 - Step 5: Solve for x
x = 15,644,157,416.98/199,913.68 - Step 6: Final answer
x = 78,254.56
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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.