Finding the Fourth Proportional to 550,188.63, 759,395.36 and 335,447.09
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Solution
The fourth proportional to 550,188.63, 759,395.36 and 335,447.09 is: 462,999.32
Step by Step Solution
- Step 1: Write the proportion equation
550,188.63 : 759,395.36 = 335,447.09 : x - Step 2: Convert to fraction form
550,188.63/759,395.36 = 335,447.09/x - Step 3: Cross multiply
550,188.63x = 759,395.36 × 335,447.09 - Step 4: Simplify right side
550,188.63x = 254,736,963,671.50 - Step 5: Solve for x
x = 254,736,963,671.50/550,188.63 - Step 6: Final answer
x = 462,999.32
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1.5x scale
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.