Finding the Fourth Proportional to 190,486.08, 285,728.31 and 48,332.70
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Solution
The fourth proportional to 190,486.08, 285,728.31 and 48,332.70 is: 72,498.84
Step by Step Solution
- Step 1: Write the proportion equation
190,486.08 : 285,728.31 = 48,332.70 : x - Step 2: Convert to fraction form
190,486.08/285,728.31 = 48,332.70/x - Step 3: Cross multiply
190,486.08x = 285,728.31 × 48,332.70 - Step 4: Simplify right side
190,486.08x = 13,810,020,688.74 - Step 5: Solve for x
x = 13,810,020,688.74/190,486.08 - Step 6: Final answer
x = 72,498.84
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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.