Finding the Fourth Proportional to 665,756.24, 998,641.65 and 192,445.70
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Solution
The fourth proportional to 665,756.24, 998,641.65 and 192,445.70 is: 288,670.65
Step by Step Solution
- Step 1: Write the proportion equation
665,756.24 : 998,641.65 = 192,445.70 : x - Step 2: Convert to fraction form
665,756.24/998,641.65 = 192,445.70/x - Step 3: Cross multiply
665,756.24x = 998,641.65 × 192,445.70 - Step 4: Simplify right side
665,756.24x = 192,184,285,909.08 - Step 5: Solve for x
x = 192,184,285,909.08/665,756.24 - Step 6: Final answer
x = 288,670.65
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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.