Finding the Fourth Proportional to 357,781.84, 493,750.82 and 210,580.02
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Solution
The fourth proportional to 357,781.84, 493,750.82 and 210,580.02 is: 290,607.42
Step by Step Solution
- Step 1: Write the proportion equation
357,781.84 : 493,750.82 = 210,580.02 : x - Step 2: Convert to fraction form
357,781.84/493,750.82 = 210,580.02/x - Step 3: Cross multiply
357,781.84x = 493,750.82 × 210,580.02 - Step 4: Simplify right side
357,781.84x = 103,974,057,550.62 - Step 5: Solve for x
x = 103,974,057,550.62/357,781.84 - Step 6: Final answer
x = 290,607.42
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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.