Finding the Fourth Proportional to 163,035.36, 224,991.09 and 98,495.60
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Solution
The fourth proportional to 163,035.36, 224,991.09 and 98,495.60 is: 135,925.31
Step by Step Solution
- Step 1: Write the proportion equation
163,035.36 : 224,991.09 = 98,495.60 : x - Step 2: Convert to fraction form
163,035.36/224,991.09 = 98,495.60/x - Step 3: Cross multiply
163,035.36x = 224,991.09 × 98,495.60 - Step 4: Simplify right side
163,035.36x = 22,160,631,279.25 - Step 5: Solve for x
x = 22,160,631,279.25/163,035.36 - Step 6: Final answer
x = 135,925.31
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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.