Finding the Fourth Proportional to 350,457.94, 525,730.63 and 137,198.31
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Solution
The fourth proportional to 350,457.94, 525,730.63 and 137,198.31 is: 205,814.58
Step by Step Solution
- Step 1: Write the proportion equation
350,457.94 : 525,730.63 = 137,198.31 : x - Step 2: Convert to fraction form
350,457.94/525,730.63 = 137,198.31/x - Step 3: Cross multiply
350,457.94x = 525,730.63 × 137,198.31 - Step 4: Simplify right side
350,457.94x = 72,129,353,951.24 - Step 5: Solve for x
x = 72,129,353,951.24/350,457.94 - Step 6: Final answer
x = 205,814.58
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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.