Finding the Fourth Proportional to 564,101.84, 778,455.97 and 305,978.14
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Solution
The fourth proportional to 564,101.84, 778,455.97 and 305,978.14 is: 422,247.35
Step by Step Solution
- Step 1: Write the proportion equation
564,101.84 : 778,455.97 = 305,978.14 : x - Step 2: Convert to fraction form
564,101.84/778,455.97 = 305,978.14/x - Step 3: Cross multiply
564,101.84x = 778,455.97 × 305,978.14 - Step 4: Simplify right side
564,101.84x = 238,190,509,980.62 - Step 5: Solve for x
x = 238,190,509,980.62/564,101.84 - Step 6: Final answer
x = 422,247.35
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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.