Finding the Fourth Proportional to 408,774.87, 612,276.08 and 197,970.75
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Solution
The fourth proportional to 408,774.87, 612,276.08 and 197,970.75 is: 296,526.92
Step by Step Solution
- Step 1: Write the proportion equation
408,774.87 : 612,276.08 = 197,970.75 : x - Step 2: Convert to fraction form
408,774.87/612,276.08 = 197,970.75/x - Step 3: Cross multiply
408,774.87x = 612,276.08 × 197,970.75 - Step 4: Simplify right side
408,774.87x = 121,212,753,774.81 - Step 5: Solve for x
x = 121,212,753,774.81/408,774.87 - Step 6: Final answer
x = 296,526.92
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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.