Finding the Fourth Proportional to 403,118.79, 604,765.67 and 122,628.75
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Solution
The fourth proportional to 403,118.79, 604,765.67 and 122,628.75 is: 183,969.74
Step by Step Solution
- Step 1: Write the proportion equation
403,118.79 : 604,765.67 = 122,628.75 : x - Step 2: Convert to fraction form
403,118.79/604,765.67 = 122,628.75/x - Step 3: Cross multiply
403,118.79x = 604,765.67 × 122,628.75 - Step 4: Simplify right side
403,118.79x = 74,161,657,541.87 - Step 5: Solve for x
x = 74,161,657,541.87/403,118.79 - Step 6: Final answer
x = 183,969.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.