Finding the Fourth Proportional to 298,201.07, 411,486.75 and 177,319.00
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Solution
The fourth proportional to 298,201.07, 411,486.75 and 177,319.00 is: 244,681.95
Step by Step Solution
- Step 1: Write the proportion equation
298,201.07 : 411,486.75 = 177,319.00 : x - Step 2: Convert to fraction form
298,201.07/411,486.75 = 177,319.00/x - Step 3: Cross multiply
298,201.07x = 411,486.75 × 177,319.00 - Step 4: Simplify right side
298,201.07x = 72,964,417,994.53 - Step 5: Solve for x
x = 72,964,417,994.53/298,201.07 - Step 6: Final answer
x = 244,681.95
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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.