Finding the Fourth Proportional to 323,544.18, 485,317.50 and 98,903.74
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Solution
The fourth proportional to 323,544.18, 485,317.50 and 98,903.74 is: 148,355.99
Step by Step Solution
- Step 1: Write the proportion equation
323,544.18 : 485,317.50 = 98,903.74 : x - Step 2: Convert to fraction form
323,544.18/485,317.50 = 98,903.74/x - Step 3: Cross multiply
323,544.18x = 485,317.50 × 98,903.74 - Step 4: Simplify right side
323,544.18x = 47,999,715,837.45 - Step 5: Solve for x
x = 47,999,715,837.45/323,544.18 - Step 6: Final answer
x = 148,355.99
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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.