Finding the Fourth Proportional to 343,153.46, 514,656.99 and 216,624.58
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Solution
The fourth proportional to 343,153.46, 514,656.99 and 216,624.58 is: 324,890.65
Step by Step Solution
- Step 1: Write the proportion equation
343,153.46 : 514,656.99 = 216,624.58 : x - Step 2: Convert to fraction form
343,153.46/514,656.99 = 216,624.58/x - Step 3: Cross multiply
343,153.46x = 514,656.99 × 216,624.58 - Step 4: Simplify right side
343,153.46x = 111,487,353,016.17 - Step 5: Solve for x
x = 111,487,353,016.17/343,153.46 - Step 6: Final answer
x = 324,890.65
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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.