Finding the Fourth Proportional to 245,421.82, 368,014.87 and 145,594.99
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Solution
The fourth proportional to 245,421.82, 368,014.87 and 145,594.99 is: 218,322.57
Step by Step Solution
- Step 1: Write the proportion equation
245,421.82 : 368,014.87 = 145,594.99 : x - Step 2: Convert to fraction form
245,421.82/368,014.87 = 145,594.99/x - Step 3: Cross multiply
245,421.82x = 368,014.87 × 145,594.99 - Step 4: Simplify right side
245,421.82x = 53,581,121,317.50 - Step 5: Solve for x
x = 53,581,121,317.50/245,421.82 - Step 6: Final answer
x = 218,322.57
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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.