Finding the Fourth Proportional to 272,038.68, 408,057.36 and 72,359.08
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Solution
The fourth proportional to 272,038.68, 408,057.36 and 72,359.08 is: 108,538.44
Step by Step Solution
- Step 1: Write the proportion equation
272,038.68 : 408,057.36 = 72,359.08 : x - Step 2: Convert to fraction form
272,038.68/408,057.36 = 72,359.08/x - Step 3: Cross multiply
272,038.68x = 408,057.36 × 72,359.08 - Step 4: Simplify right side
272,038.68x = 29,526,655,156.83 - Step 5: Solve for x
x = 29,526,655,156.83/272,038.68 - Step 6: Final answer
x = 108,538.44
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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.