Finding the Fourth Proportional to 437,549.65, 603,814.94 and 243,955.06
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Solution
The fourth proportional to 437,549.65, 603,814.94 and 243,955.06 is: 336,655.99
Step by Step Solution
- Step 1: Write the proportion equation
437,549.65 : 603,814.94 = 243,955.06 : x - Step 2: Convert to fraction form
437,549.65/603,814.94 = 243,955.06/x - Step 3: Cross multiply
437,549.65x = 603,814.94 × 243,955.06 - Step 4: Simplify right side
437,549.65x = 147,303,708,102.12 - Step 5: Solve for x
x = 147,303,708,102.12/437,549.65 - Step 6: Final answer
x = 336,655.99
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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.