Finding the Fourth Proportional to 357,099.80, 492,828.33 and 195,985.99
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Solution
The fourth proportional to 357,099.80, 492,828.33 and 195,985.99 is: 270,477.46
Step by Step Solution
- Step 1: Write the proportion equation
357,099.80 : 492,828.33 = 195,985.99 : x - Step 2: Convert to fraction form
357,099.80/492,828.33 = 195,985.99/x - Step 3: Cross multiply
357,099.80x = 492,828.33 × 195,985.99 - Step 4: Simplify right side
357,099.80x = 96,587,447,665.13 - Step 5: Solve for x
x = 96,587,447,665.13/357,099.80 - Step 6: Final answer
x = 270,477.46
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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.