Finding the Fourth Proportional to 424,842.53, 586,214.09 and 243,521.09
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Solution
The fourth proportional to 424,842.53, 586,214.09 and 243,521.09 is: 336,019.78
Step by Step Solution
- Step 1: Write the proportion equation
424,842.53 : 586,214.09 = 243,521.09 : x - Step 2: Convert to fraction form
424,842.53/586,214.09 = 243,521.09/x - Step 3: Cross multiply
424,842.53x = 586,214.09 × 243,521.09 - Step 4: Simplify right side
424,842.53x = 142,755,492,952.55 - Step 5: Solve for x
x = 142,755,492,952.55/424,842.53 - Step 6: Final answer
x = 336,019.78
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1.5x scale
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.