Finding the Fourth Proportional to 157,097.30, 235,645.95 and 115,270.93
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Solution
The fourth proportional to 157,097.30, 235,645.95 and 115,270.93 is: 172,906.40
Step by Step Solution
- Step 1: Write the proportion equation
157,097.30 : 235,645.95 = 115,270.93 : x - Step 2: Convert to fraction form
157,097.30/235,645.95 = 115,270.93/x - Step 3: Cross multiply
157,097.30x = 235,645.95 × 115,270.93 - Step 4: Simplify right side
157,097.30x = 27,163,127,807.23 - Step 5: Solve for x
x = 27,163,127,807.23/157,097.30 - Step 6: Final answer
x = 172,906.40
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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.