Finding the Fourth Proportional to 357,270.03, 493,019.87 and 202,217.99
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Solution
The fourth proportional to 357,270.03, 493,019.87 and 202,217.99 is: 279,053.60
Step by Step Solution
- Step 1: Write the proportion equation
357,270.03 : 493,019.87 = 202,217.99 : x - Step 2: Convert to fraction form
357,270.03/493,019.87 = 202,217.99/x - Step 3: Cross multiply
357,270.03x = 493,019.87 × 202,217.99 - Step 4: Simplify right side
357,270.03x = 99,697,487,141.46 - Step 5: Solve for x
x = 99,697,487,141.46/357,270.03 - Step 6: Final answer
x = 279,053.60
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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.