Finding the Fourth Proportional to 307,502.66, 424,354.29 and 171,533.07
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Solution
The fourth proportional to 307,502.66, 424,354.29 and 171,533.07 is: 236,715.99
Step by Step Solution
- Step 1: Write the proportion equation
307,502.66 : 424,354.29 = 171,533.07 : x - Step 2: Convert to fraction form
307,502.66/424,354.29 = 171,533.07/x - Step 3: Cross multiply
307,502.66x = 424,354.29 × 171,533.07 - Step 4: Simplify right side
307,502.66x = 72,790,794,131.37 - Step 5: Solve for x
x = 72,790,794,131.37/307,502.66 - Step 6: Final answer
x = 236,715.99
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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.