Finding the Fourth Proportional to 155,136.02, 214,087.58 and 88,068.02
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Solution
The fourth proportional to 155,136.02, 214,087.58 and 88,068.02 is: 121,533.80
Step by Step Solution
- Step 1: Write the proportion equation
155,136.02 : 214,087.58 = 88,068.02 : x - Step 2: Convert to fraction form
155,136.02/214,087.58 = 88,068.02/x - Step 3: Cross multiply
155,136.02x = 214,087.58 × 88,068.02 - Step 4: Simplify right side
155,136.02x = 18,854,269,277.19 - Step 5: Solve for x
x = 18,854,269,277.19/155,136.02 - Step 6: Final answer
x = 121,533.80
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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.