Finding the Fourth Proportional to 402,935.13, 604,194.68 and 118,588.74
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Solution
The fourth proportional to 402,935.13, 604,194.68 and 118,588.74 is: 177,821.89
Step by Step Solution
- Step 1: Write the proportion equation
402,935.13 : 604,194.68 = 118,588.74 : x - Step 2: Convert to fraction form
402,935.13/604,194.68 = 118,588.74/x - Step 3: Cross multiply
402,935.13x = 604,194.68 × 118,588.74 - Step 4: Simplify right side
402,935.13x = 71,650,685,815.90 - Step 5: Solve for x
x = 71,650,685,815.90/402,935.13 - Step 6: Final answer
x = 177,821.89
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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.