Finding the Fourth Proportional to 155,507.14, 233,124.62 and 129,072.99
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Solution
The fourth proportional to 155,507.14, 233,124.62 and 129,072.99 is: 193,496.53
Step by Step Solution
- Step 1: Write the proportion equation
155,507.14 : 233,124.62 = 129,072.99 : x - Step 2: Convert to fraction form
155,507.14/233,124.62 = 129,072.99/x - Step 3: Cross multiply
155,507.14x = 233,124.62 × 129,072.99 - Step 4: Simplify right side
155,507.14x = 30,090,091,746.01 - Step 5: Solve for x
x = 30,090,091,746.01/155,507.14 - Step 6: Final answer
x = 193,496.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.