Finding the Fourth Proportional to 437,551.65, 603,817.70 and 243,957.06
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Solution
The fourth proportional to 437,551.65, 603,817.70 and 243,957.06 is: 336,658.75
Step by Step Solution
- Step 1: Write the proportion equation
437,551.65 : 603,817.70 = 243,957.06 : x - Step 2: Convert to fraction form
437,551.65/603,817.70 = 243,957.06/x - Step 3: Cross multiply
437,551.65x = 603,817.70 × 243,957.06 - Step 4: Simplify right side
437,551.65x = 147,305,590,867.96 - Step 5: Solve for x
x = 147,305,590,867.96/437,551.65 - Step 6: Final answer
x = 336,658.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.