Finding the Fourth Proportional to 122,208.04, 168,637.75 and 68,482.67
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Solution
The fourth proportional to 122,208.04, 168,637.75 and 68,482.67 is: 94,500.84
Step by Step Solution
- Step 1: Write the proportion equation
122,208.04 : 168,637.75 = 68,482.67 : x - Step 2: Convert to fraction form
122,208.04/168,637.75 = 68,482.67/x - Step 3: Cross multiply
122,208.04x = 168,637.75 × 68,482.67 - Step 4: Simplify right side
122,208.04x = 11,548,762,368.40 - Step 5: Solve for x
x = 11,548,762,368.40/122,208.04 - Step 6: Final answer
x = 94,500.84
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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.