Finding the Fourth Proportional to 424,315.06, 585,553.98 and 243,085.66
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Solution
The fourth proportional to 424,315.06, 585,553.98 and 243,085.66 is: 335,457.75
Step by Step Solution
- Step 1: Write the proportion equation
424,315.06 : 585,553.98 = 243,085.66 : x - Step 2: Convert to fraction form
424,315.06/585,553.98 = 243,085.66/x - Step 3: Cross multiply
424,315.06x = 585,553.98 × 243,085.66 - Step 4: Simplify right side
424,315.06x = 142,339,775,693.93 - Step 5: Solve for x
x = 142,339,775,693.93/424,315.06 - Step 6: Final answer
x = 335,457.75
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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.