Finding the Fourth Proportional to 364,376.07, 502,457.43 and 313,561.11
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Solution
The fourth proportional to 364,376.07, 502,457.43 and 313,561.11 is: 432,385.99
Step by Step Solution
- Step 1: Write the proportion equation
364,376.07 : 502,457.43 = 313,561.11 : x - Step 2: Convert to fraction form
364,376.07/502,457.43 = 313,561.11/x - Step 3: Cross multiply
364,376.07x = 502,457.43 × 313,561.11 - Step 4: Simplify right side
364,376.07x = 157,551,109,478.55 - Step 5: Solve for x
x = 157,551,109,478.55/364,376.07 - Step 6: Final answer
x = 432,385.99
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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.