Finding the Fourth Proportional to 408,349.77, 563,439.69 and 238,551.09
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Solution
The fourth proportional to 408,349.77, 563,439.69 and 238,551.09 is: 329,152.02
Step by Step Solution
- Step 1: Write the proportion equation
408,349.77 : 563,439.69 = 238,551.09 : x - Step 2: Convert to fraction form
408,349.77/563,439.69 = 238,551.09/x - Step 3: Cross multiply
408,349.77x = 563,439.69 × 238,551.09 - Step 4: Simplify right side
408,349.77x = 134,409,152,198.76 - Step 5: Solve for x
x = 134,409,152,198.76/408,349.77 - Step 6: Final answer
x = 329,152.02
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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.