Finding the Fourth Proportional to 486,272.08, 728,909.16 and 186,671.98
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Solution
The fourth proportional to 486,272.08, 728,909.16 and 186,671.98 is: 279,816.43
Step by Step Solution
- Step 1: Write the proportion equation
486,272.08 : 728,909.16 = 186,671.98 : x - Step 2: Convert to fraction form
486,272.08/728,909.16 = 186,671.98/x - Step 3: Cross multiply
486,272.08x = 728,909.16 × 186,671.98 - Step 4: Simplify right side
486,272.08x = 136,066,916,137.34 - Step 5: Solve for x
x = 136,066,916,137.34/486,272.08 - Step 6: Final answer
x = 279,816.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.