Finding the Fourth Proportional to 438,799.84, 605,363.45 and 266,690.07
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Solution
The fourth proportional to 438,799.84, 605,363.45 and 266,690.07 is: 367,922.70
Step by Step Solution
- Step 1: Write the proportion equation
438,799.84 : 605,363.45 = 266,690.07 : x - Step 2: Convert to fraction form
438,799.84/605,363.45 = 266,690.07/x - Step 3: Cross multiply
438,799.84x = 605,363.45 × 266,690.07 - Step 4: Simplify right side
438,799.84x = 161,444,421,522.67 - Step 5: Solve for x
x = 161,444,421,522.67/438,799.84 - Step 6: Final answer
x = 367,922.70
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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.