Finding the Fourth Proportional to 492,267.60, 679,343.52 and 277,395.84
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Solution
The fourth proportional to 492,267.60, 679,343.52 and 277,395.84 is: 382,814.28
Step by Step Solution
- Step 1: Write the proportion equation
492,267.60 : 679,343.52 = 277,395.84 : x - Step 2: Convert to fraction form
492,267.60/679,343.52 = 277,395.84/x - Step 3: Cross multiply
492,267.60x = 679,343.52 × 277,395.84 - Step 4: Simplify right side
492,267.60x = 188,447,066,378.96 - Step 5: Solve for x
x = 188,447,066,378.96/492,267.60 - Step 6: Final answer
x = 382,814.28
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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.