Finding the Fourth Proportional to 172,453.05, 237,992.99 and 97,001.55
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Solution
The fourth proportional to 172,453.05, 237,992.99 and 97,001.55 is: 133,866.51
Step by Step Solution
- Step 1: Write the proportion equation
172,453.05 : 237,992.99 = 97,001.55 : x - Step 2: Convert to fraction form
172,453.05/237,992.99 = 97,001.55/x - Step 3: Cross multiply
172,453.05x = 237,992.99 × 97,001.55 - Step 4: Simplify right side
172,453.05x = 23,085,688,434.13 - Step 5: Solve for x
x = 23,085,688,434.13/172,453.05 - Step 6: Final answer
x = 133,866.51
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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.