Finding the Fourth Proportional to 239,089.44, 358,633.60 and 72,877.44
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Solution
The fourth proportional to 239,089.44, 358,633.60 and 72,877.44 is: 109,315.99
Step by Step Solution
- Step 1: Write the proportion equation
239,089.44 : 358,633.60 = 72,877.44 : x - Step 2: Convert to fraction form
239,089.44/358,633.60 = 72,877.44/x - Step 3: Cross multiply
239,089.44x = 358,633.60 × 72,877.44 - Step 4: Simplify right side
239,089.44x = 26,136,298,665.98 - Step 5: Solve for x
x = 26,136,298,665.98/239,089.44 - Step 6: Final answer
x = 109,315.99
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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.