Finding the Fourth Proportional to 383,577.14, 529,119.68 and 240,088.08
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Solution
The fourth proportional to 383,577.14, 529,119.68 and 240,088.08 is: 331,185.87
Step by Step Solution
- Step 1: Write the proportion equation
383,577.14 : 529,119.68 = 240,088.08 : x - Step 2: Convert to fraction form
383,577.14/529,119.68 = 240,088.08/x - Step 3: Cross multiply
383,577.14x = 529,119.68 × 240,088.08 - Step 4: Simplify right side
383,577.14x = 127,035,328,061.41 - Step 5: Solve for x
x = 127,035,328,061.41/383,577.14 - Step 6: Final answer
x = 331,185.87
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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.